# New API since JDK 11

Show API added in: 12 13 14 15 16 17 18 19 20 21

## Contents

- Modules
- Packages
- Interfaces
- Classes
- Enum Classes
- Exception Classes
- Record Classes
- Annotation Interfaces
- Fields
- Methods
- Constructors
- Enum Constants

- New Modules
  Module
  Added in
  Description
  jdk.jpackage
  16
  Defines the Java Packaging tool, jpackage.
  jdk.nio.mapmode
  14
  Defines JDK-specific file mapping modes.

- New Packages
  Package
  Added in
  Description
  java.lang.constant
  12
  Classes and interfaces to represent nominal descriptors for run-time entities such as classes or method handles, and classfile entities such as constant pool entries or `invokedynamic` call sites.
  java.lang.runtime
  14
  The `java.lang.runtime` package provides low-level runtime support for the Java language.
  java.util.random
  17
  This package contains classes and interfaces that support a generic API for random number generation.

- New Interfaces
  Interface
  Added in
  Description
  com.sun.net.httpserver.Request
  18
  A view of the immutable request state of an HTTP exchange.
  com.sun.source.doctree.EscapeTree
  21
  A tree node for a character represented by an escape sequence.
  com.sun.source.doctree.SnippetTree
  18
  A tree node for an `@snippet` inline tag.
  com.sun.source.doctree.SpecTree
  20
  A tree node for an `@spec` block tag.
  com.sun.source.doctree.SystemPropertyTree
  12
  A tree node for an `@systemProperty` inline tag.
  com.sun.source.tree.AnyPatternTreePREVIEW
  21
  A tree node for a binding pattern that matches a pattern with a variable of any name and a type of the match candidate; an unnamed pattern.
  com.sun.source.tree.BindingPatternTree
  16
  A binding pattern tree
  com.sun.source.tree.CaseLabelTree
  21
  A marker interface for `Tree`s that may be used as `CaseTree` labels.
  com.sun.source.tree.ConstantCaseLabelTree
  21
  A case label element that refers to a constant expression
  com.sun.source.tree.DeconstructionPatternTree
  21
  A deconstruction pattern tree.
  com.sun.source.tree.DefaultCaseLabelTree
  21
  A case label that marks `default` in `case null, default`.
  com.sun.source.tree.PatternCaseLabelTree
  21
  A case label element that refers to an expression
  com.sun.source.tree.PatternTree
  16
  A tree node used as the base class for the different kinds of patterns.
  com.sun.source.tree.SwitchExpressionTree
  12
  A tree node for a `switch` expression.
  com.sun.source.tree.YieldTree
  13
  A tree node for a `yield` statement.
  com.sun.source.util.ParameterNameProvider
  13
  A provider for parameter names when the parameter names are not determined from a reliable source, like a classfile.
  java.lang.constant.ClassDesc
  12
  A nominal descriptor for a `Class` constant.
  java.lang.constant.Constable
  12
  Represents a type which is constable.
  java.lang.constant.ConstantDesc
  12
  A nominal descriptor for a loadable constant value, as defined in JVMS 4.4.
  java.lang.constant.DirectMethodHandleDesc
  12
  A nominal descriptor for a direct `MethodHandle`.
  java.lang.constant.MethodHandleDesc
  12
  A nominal descriptor for a `MethodHandle` constant.
  java.lang.constant.MethodTypeDesc
  12
  A nominal descriptor for a MethodType constant.
  java.lang.constant.ModuleDesc
  21
  A nominal descriptor for a `Module` constant.
  java.lang.constant.PackageDesc
  21
  A nominal descriptor for a `Package` constant.
  java.lang.foreign.AddressLayoutPREVIEW
  19
  A value layout used to model the address of some region of memory.
  java.lang.foreign.ArenaPREVIEW
  20
  An arena controls the lifecycle of native memory segments, providing both flexible allocation and timely deallocation.
  java.lang.foreign.FunctionDescriptorPREVIEW
  19
  A function descriptor models the signature of a foreign function.
  java.lang.foreign.GroupLayoutPREVIEW
  19
  A compound layout that is an aggregation of multiple, heterogeneous member layouts.
  java.lang.foreign.LinkerPREVIEW
  19
  A linker provides access to foreign functions from Java code, and access to Java code from foreign functions.
  java.lang.foreign.Linker.OptionPREVIEW
  20
  A linker option is used to provide additional parameters to a linkage request.
  java.lang.foreign.MemoryLayoutPREVIEW
  19
  A memory layout describes the contents of a memory segment.
  java.lang.foreign.MemoryLayout.PathElementPREVIEW
  19
  An element in a layout path.
  java.lang.foreign.MemorySegmentPREVIEW
  19
  A memory segment provides access to a contiguous region of memory.
  java.lang.foreign.PaddingLayoutPREVIEW
  20
  A padding layout.
  java.lang.foreign.SequenceLayoutPREVIEW
  19
  A compound layout that denotes a homogeneous repetition of a given element layout.
  java.lang.foreign.StructLayoutPREVIEW
  20
  A group layout whose member layouts are laid out one after the other.
  java.lang.foreign.UnionLayoutPREVIEW
  20
  A group layout whose member layouts are laid out at the same starting offset.
  java.lang.foreign.ValueLayoutPREVIEW
  19
  A layout that models values of basic data types.
  java.lang.foreign.ValueLayout.OfBooleanPREVIEW
  19
  A value layout whose carrier is `boolean.class`.
  java.lang.foreign.ValueLayout.OfBytePREVIEW
  19
  A value layout whose carrier is `byte.class`.
  java.lang.foreign.ValueLayout.OfCharPREVIEW
  19
  A value layout whose carrier is `char.class`.
  java.lang.foreign.ValueLayout.OfDoublePREVIEW
  19
  A value layout whose carrier is `double.class`.
  java.lang.foreign.ValueLayout.OfFloatPREVIEW
  19
  A value layout whose carrier is `float.class`.
  java.lang.foreign.ValueLayout.OfIntPREVIEW
  19
  A value layout whose carrier is `int.class`.
  java.lang.foreign.ValueLayout.OfLongPREVIEW
  19
  A value layout whose carrier is `long.class`.
  java.lang.foreign.ValueLayout.OfShortPREVIEW
  19
  A value layout whose carrier is `short.class`.
  java.lang.invoke.TypeDescriptor
  12
  An entity that has a type descriptor.
  java.lang.invoke.TypeDescriptor.OfField
  12
  An entity that has a field type descriptor.
  java.lang.invoke.TypeDescriptor.OfMethod
  12
  An entity that has a method type descriptor Method descriptors conforming to JVMS 4.3.3 can be described nominally via `MethodType::describeConstable`; otherwise they cannot be described nominally.
  java.lang.StringTemplatePREVIEW
  21
  `StringTemplate`PREVIEW is the run-time representation of a string template or text block template in a template expression.
  java.lang.StringTemplate.ProcessorPREVIEW
  21
  This interface describes the methods provided by a generalized string template processor.
  java.lang.StringTemplate.Processor.LinkagePREVIEW
  21
  Built-in policies using this additional interface have the flexibility to specialize the composition of the templated string by returning a customized `MethodHandle` from `linkage`PREVIEW.
  java.lang.Thread.Builder
  21
  A builder for `Thread` and `ThreadFactory` objects.
  java.lang.Thread.Builder.OfPlatform
  21
  A builder for creating a platform `Thread` or `ThreadFactory` that creates platform threads.
  java.lang.Thread.Builder.OfVirtual
  21
  A builder for creating a virtual `Thread` or `ThreadFactory` that creates virtual threads.
  java.net.spi.InetAddressResolver
  18
  This interface defines operations for looking up host names and IP addresses.
  java.net.spi.InetAddressResolverProvider.Configuration
  18
  A `Configuration` object is supplied to the `InetAddressResolverProvider.get(Configuration)` method when setting the system-wide resolver.
  java.security.interfaces.EdECKey
  15
  An interface for an elliptic curve public/private key as defined by RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA).
  java.security.interfaces.EdECPrivateKey
  15
  An interface for an elliptic curve private key as defined by RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA).
  java.security.interfaces.EdECPublicKey
  15
  An interface for an elliptic curve public key as defined by RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA).
  java.time.InstantSource
  17
  Provides access to the current instant.
  java.util.concurrent.StructuredTaskScope.SubtaskPREVIEW
  21
  Represents a subtask forked with `StructuredTaskScope.fork(Callable)`PREVIEW.
  java.util.random.RandomGenerator
  17
  The `RandomGenerator` interface is designed to provide a common protocol for objects that generate random or (more typically) pseudorandom sequences of numbers (or Boolean values).
  java.util.SequencedCollection
  21
  A collection that has a well-defined encounter order, that supports operations at both ends, and that is reversible.
  java.util.SequencedMap
  21
  A Map that has a well-defined encounter order, that supports operations at both ends, and that is reversible.
  java.util.SequencedSet
  21
  A collection that is both a `SequencedCollection` and a `Set`.
  java.util.stream.DoubleStream.DoubleMapMultiConsumer
  16
  Represents an operation that accepts a `double`-valued argument and a DoubleConsumer, and returns no result.
  java.util.stream.IntStream.IntMapMultiConsumer
  16
  Represents an operation that accepts an `int`-valued argument and an IntConsumer, and returns no result.
  java.util.stream.LongStream.LongMapMultiConsumer
  16
  Represents an operation that accepts a `long`-valued argument and a LongConsumer, and returns no result.
  javax.crypto.KEMSpi
  21
  This class defines the Service Provider Interface (SPI) for the `KEM` class.
  javax.crypto.KEMSpi.DecapsulatorSpi
  21
  The KEM decapsulator implementation, generated by `KEMSpi.engineNewDecapsulator(java.security.PrivateKey, java.security.spec.AlgorithmParameterSpec)` on the KEM receiver side.
  javax.crypto.KEMSpi.EncapsulatorSpi
  21
  The KEM encapsulator implementation, generated by `KEMSpi.engineNewEncapsulator(java.security.PublicKey, java.security.spec.AlgorithmParameterSpec, java.security.SecureRandom)` on the KEM sender side.
  javax.lang.model.element.RecordComponentElement
  16
  Represents a record component.
  jdk.jfr.consumer.EventStream
  14
  Represents a stream of events.
  jdk.jshell.JShellConsole
  21
  An interface providing functionality for `Console` in the user's snippet.

- New Classes
  Class
  Added in
  Description
  com.sun.net.httpserver.HttpHandlers
  18
  Implementations of `HttpHandler` that implement various useful handlers, such as a static response handler, or a conditional handler that complements one handler with another.
  com.sun.net.httpserver.SimpleFileServer
  18
  A simple HTTP file server and its components (intended for testing, development and debugging purposes only).
  java.lang.constant.ConstantDescs
  12
  Predefined values of nominal descriptor for common constants, including descriptors for primitive class types and other common platform types, and descriptors for method handles for standard bootstrap methods.
  java.lang.constant.DynamicCallSiteDesc
  12
  A nominal descriptor for an `invokedynamic` call site.
  java.lang.constant.DynamicConstantDesc
  12
  A nominal descriptor for a dynamic constant (one described in the constant pool with `Constant_Dynamic_info`.)
  java.lang.Enum.EnumDesc
  12
  A nominal descriptor for an `enum` constant.
  java.lang.invoke.VarHandle.VarHandleDesc
  12
  A nominal descriptor for a `VarHandle` constant.
  java.lang.Record
  16
  This is the common base class of all Java language record classes.
  java.lang.reflect.RecordComponent
  16
  A `RecordComponent` provides information about, and dynamic access to, a component of a record class.
  java.lang.runtime.ObjectMethods
  16
  Bootstrap methods for state-driven implementations of core methods, including `Object.equals(Object)`, `Object.hashCode()`, and `Object.toString()`.
  java.lang.runtime.SwitchBootstraps
  21
  Bootstrap methods for linking `invokedynamic` call sites that implement the selection functionality of the `switch` statement.
  java.lang.runtime.TemplateRuntimePREVIEW
  21
  Manages string template bootstrap methods.
  java.lang.ScopedValuePREVIEW
  21
  A value that may be safely and efficiently shared to methods without using method parameters.
  java.lang.ScopedValue.CarrierPREVIEW
  21
  A mapping of scoped values, as keys, to values.
  java.net.spi.InetAddressResolver.LookupPolicy
  18
  A `LookupPolicy` object describes characteristics that can be applied to a lookup operation.
  java.net.spi.InetAddressResolverProvider
  18
  Service-provider class for InetAddress resolvers.
  java.net.UnixDomainSocketAddress
  16
  A Unix domain socket address.
  java.security.spec.EdDSAParameterSpec
  15
  A class used to specify EdDSA signature and verification parameters.
  java.security.spec.EdECPoint
  15
  An elliptic curve point used to specify keys as defined by RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA).
  java.security.spec.EdECPrivateKeySpec
  15
  A class representing elliptic curve private keys as defined in RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA), including the curve and other algorithm parameters.
  java.security.spec.EdECPublicKeySpec
  15
  A class representing elliptic curve public keys as defined in RFC 8032: Edwards-Curve Digital Signature Algorithm (EdDSA), including the curve and other algorithm parameters.
  java.text.CompactNumberFormat
  12
  `CompactNumberFormat` is a concrete subclass of `NumberFormat` that formats a decimal number in its compact form.
  java.util.concurrent.StructuredTaskScopePREVIEW
  21
  A basic API for structured concurrency.
  java.util.concurrent.StructuredTaskScope.ShutdownOnFailurePREVIEW
  21
  A `StructuredTaskScope` that captures the exception of the first subtask to failPREVIEW.
  java.util.concurrent.StructuredTaskScope.ShutdownOnSuccessPREVIEW
  21
  A `StructuredTaskScope` that captures the result of the first subtask to complete successfullyPREVIEW.
  java.util.FormatProcessorPREVIEW
  21
  This `StringTemplate.Processor`PREVIEW constructs a `String` result using `Formatter` specifications and values found in the `StringTemplate`PREVIEW.
  java.util.HexFormat
  17
  `HexFormat` converts between bytes and chars and hex-encoded strings which may include additional formatting markup such as prefixes, suffixes, and delimiters.
  java.util.random.RandomGeneratorFactory
  17
  This is a factory class for generating multiple random number generators of a specific algorithm.
  javax.crypto.KEM
  21
  This class provides the functionality of a Key Encapsulation Mechanism (KEM).
  javax.crypto.KEM.Decapsulator
  21
  A decapsulator, generated by `KEM.newDecapsulator(java.security.PrivateKey)` on the KEM receiver side.
  javax.crypto.KEM.Encapsulated
  21
  This class specifies the return value of the encapsulate method of a Key Encapsulation Mechanism (KEM), which includes the shared secret (as a `SecretKey`), the key encapsulation message, and optional parameters.
  javax.crypto.KEM.Encapsulator
  21
  An encapsulator, generated by `KEM.newEncapsulator(java.security.PublicKey)` on the KEM sender side.
  javax.lang.model.util.AbstractAnnotationValueVisitor14
  14
  A skeletal visitor for annotation values with default behavior appropriate for source version `RELEASE_14`.
  javax.lang.model.util.AbstractElementVisitor14
  16
  A skeletal visitor of program elements with default behavior appropriate for the `RELEASE_14` source version.
  javax.lang.model.util.AbstractTypeVisitor14
  14
  A skeletal visitor of types with default behavior appropriate for the `RELEASE_14` source version.
  javax.lang.model.util.ElementKindVisitor14
  16
  A visitor of program elements based on their kind with default behavior appropriate for the `RELEASE_14` source version.
  javax.lang.model.util.ElementScanner14
  16
  A scanning visitor of program elements with default behavior appropriate for the `RELEASE_14` source version.
  javax.lang.model.util.SimpleAnnotationValueVisitor14
  14
  A simple visitor for annotation values with default behavior appropriate for source version `RELEASE_14`.
  javax.lang.model.util.SimpleElementVisitor14
  16
  A simple visitor of program elements with default behavior appropriate for the `RELEASE_14` source version.
  javax.lang.model.util.SimpleTypeVisitor14
  14
  A simple visitor of types with default behavior appropriate for source version `RELEASE_14`.
  javax.lang.model.util.TypeKindVisitor14
  14
  A visitor of types based on their kind with default behavior appropriate for source version `RELEASE_14`.
  javax.naming.ldap.spi.LdapDnsProvider
  12
  Service-provider class for DNS lookups when performing LDAP operations.
  javax.naming.ldap.spi.LdapDnsProviderResult
  12
  The result of a DNS lookup for an LDAP URL.
  javax.xml.crypto.dsig.spec.RSAPSSParameterSpec
  17
  Parameters for the XML Signature RSASSA-PSS Algorithm.
  jdk.jfr.consumer.MetadataEvent
  16
  Event that contains information about event types and configurations.
  jdk.jfr.consumer.RecordingStream
  14
  A recording stream produces events from the current JVM (Java Virtual Machine).
  jdk.management.jfr.RemoteRecordingStream
  16
  An implementation of an `EventStream` that can serialize events over the network using an `MBeanServerConnection`.
  jdk.nio.mapmode.ExtendedMapMode
  14
  JDK-specific map modes.

- New Enum Classes
  Enum Class
  Added in
  Description
  com.sun.management.HotSpotDiagnosticMXBean.ThreadDumpFormat
  21
  Thread dump format.
  com.sun.net.httpserver.SimpleFileServer.OutputLevel
  18
  Describes the log message output level produced by the server when processing exchanges.
  com.sun.source.tree.CaseTree.CaseKind
  12
  The syntactic form of this case: STATEMENT: `case <expression>: <statements>` RULE: `case <expression> -> <expression>/<statement>`
  java.lang.constant.DirectMethodHandleDesc.Kind
  12
  Kinds of method handles that can be described with DirectMethodHandleDesc.
  java.lang.invoke.MethodHandles.Lookup.ClassOption
  15
  The set of class options that specify whether a hidden class created by `Lookup::defineHiddenClass` method is dynamically added as a new member to the nest of a lookup class and/or whether a hidden class has a strong relationship with the class loader marked as its defining loader.
  java.lang.reflect.AccessFlag
  20
  Represents a JVM access or module-related flag on a runtime member, such as a class, field, or method.
  java.lang.reflect.AccessFlag.Location
  20
  A location within a class file where flags can be applied.
  java.lang.reflect.ClassFileFormatVersion
  20
  Class file format versions of the Java virtual machine.
  java.text.NumberFormat.Style
  12
  A number format style.
  java.util.concurrent.Future.State
  19
  Represents the computation state.
  java.util.concurrent.StructuredTaskScope.Subtask.StatePREVIEW
  21
  Represents the state of a subtask.
  jdk.jshell.SourceCodeAnalysis.Attribute
  19
  A span attribute which can be used to derive a coloring.

- New Exception Classes
  Exception Class
  Added in
  Description
  com.sun.jdi.OpaqueFrameException
  19
  Thrown to indicate an operation could not be performed on a frame.
  java.lang.MatchException
  21
  Thrown to indicate an unexpected failure in pattern matching.
  java.lang.WrongThreadException
  19
  Thrown to indicate that a method has been called on the wrong thread.
  java.util.concurrent.StructureViolationExceptionPREVIEW
  21
  Thrown when a structure violation is detected.
  javax.crypto.DecapsulateException
  21
  An exception that is thrown by the `KEM.Decapsulator.decapsulate(byte[])` method to denote an error during decapsulation.

- New Record Classes
  Record Class
  Added in
  Description
  jdk.jshell.SourceCodeAnalysis.Highlight
  19
  Assigns attributes usable for coloring to spans inside a snippet.
  jdk.net.UnixDomainPrincipal
  16
  Represents the credentials of a peer connected to a Unix domain socket.

- New Annotation Interfaces
  Annotation Interface
  Added in
  Description
  java.io.Serial
  14
  Indicates that an annotated field or method is part of the serialization mechanism defined by the Java Object Serialization Specification.

- New Fields
  Field
  Added in
  Description
  java.lang.Character.UnicodeBlock.ARABIC_EXTENDED_B
  19
  Constant for the "Arabic Extended-B" Unicode character block.
  java.lang.Character.UnicodeBlock.ARABIC_EXTENDED_C
  20
  Constant for the "Arabic Extended-C" Unicode character block.
  java.lang.Character.UnicodeBlock.CHESS_SYMBOLS
  12
  Constant for the "Chess Symbols" Unicode character block.
  java.lang.Character.UnicodeBlock.CHORASMIAN
  15
  Constant for the "Chorasmian" Unicode character block.
  java.lang.Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_G
  15
  Constant for the "CJK Unified Ideographs Extension G" Unicode character block.
  java.lang.Character.UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS_EXTENSION_H
  20
  Constant for the "CJK Unified Ideographs Extension H" Unicode character block.
  java.lang.Character.UnicodeBlock.CYPRO_MINOAN
  19
  Constant for the "Cypro-Minoan" Unicode character block.
  java.lang.Character.UnicodeBlock.CYRILLIC_EXTENDED_D
  20
  Constant for the "Cyrillic Extended-D" Unicode character block.
  java.lang.Character.UnicodeBlock.DEVANAGARI_EXTENDED_A
  20
  Constant for the "Devanagari Extended-A" Unicode character block.
  java.lang.Character.UnicodeBlock.DIVES_AKURU
  15
  Constant for the "Dives Akuru" Unicode character block.
  java.lang.Character.UnicodeBlock.DOGRA
  12
  Constant for the "Dogra" Unicode character block.
  java.lang.Character.UnicodeBlock.EGYPTIAN_HIEROGLYPH_FORMAT_CONTROLS
  13
  Constant for the "Egyptian Hieroglyph Format Controls" Unicode character block.
  java.lang.Character.UnicodeBlock.ELYMAIC
  13
  Constant for the "Elymaic" Unicode character block.
  java.lang.Character.UnicodeBlock.ETHIOPIC_EXTENDED_B
  19
  Constant for the "Ethiopic Extended-B" Unicode character block.
  java.lang.Character.UnicodeBlock.GEORGIAN_EXTENDED
  12
  Constant for the "Georgian Extended" Unicode character block.
  java.lang.Character.UnicodeBlock.GUNJALA_GONDI
  12
  Constant for the "Gunjala Gondi" Unicode character block.
  java.lang.Character.UnicodeBlock.HANIFI_ROHINGYA
  12
  Constant for the "Hanifi Rohingya" Unicode character block.
  java.lang.Character.UnicodeBlock.INDIC_SIYAQ_NUMBERS
  12
  Constant for the "Indic Siyaq Numbers" Unicode character block.
  java.lang.Character.UnicodeBlock.KAKTOVIK_NUMERALS
  20
  Constant for the "Kaktovik Numerals" Unicode character block.
  java.lang.Character.UnicodeBlock.KANA_EXTENDED_B
  19
  Constant for the "Kana Extended-B" Unicode character block.
  java.lang.Character.UnicodeBlock.KAWI
  20
  Constant for the "Kawi" Unicode character block.
  java.lang.Character.UnicodeBlock.KHITAN_SMALL_SCRIPT
  15
  Constant for the "Khitan Small Script" Unicode character block.
  java.lang.Character.UnicodeBlock.LATIN_EXTENDED_F
  19
  Constant for the "Latin Extended-F" Unicode character block.
  java.lang.Character.UnicodeBlock.LATIN_EXTENDED_G
  19
  Constant for the "Latin Extended-G" Unicode character block.
  java.lang.Character.UnicodeBlock.LISU_SUPPLEMENT
  15
  Constant for the "Lisu Supplement" Unicode character block.
  java.lang.Character.UnicodeBlock.MAKASAR
  12
  Constant for the "Makasar" Unicode character block.
  java.lang.Character.UnicodeBlock.MAYAN_NUMERALS
  12
  Constant for the "Mayan Numerals" Unicode character block.
  java.lang.Character.UnicodeBlock.MEDEFAIDRIN
  12
  Constant for the "Medefaidrin" Unicode character block.
  java.lang.Character.UnicodeBlock.NAG_MUNDARI
  20
  Constant for the "Nag Mundari" Unicode character block.
  java.lang.Character.UnicodeBlock.NANDINAGARI
  13
  Constant for the "Nandinagari" Unicode character block.
  java.lang.Character.UnicodeBlock.NYIAKENG_PUACHUE_HMONG
  13
  Constant for the "Nyiakeng Puachue Hmong" Unicode character block.
  java.lang.Character.UnicodeBlock.OLD_SOGDIAN
  12
  Constant for the "Old Sogdian" Unicode character block.
  java.lang.Character.UnicodeBlock.OLD_UYGHUR
  19
  Constant for the "Old Uyghur" Unicode character block.
  java.lang.Character.UnicodeBlock.OTTOMAN_SIYAQ_NUMBERS
  13
  Constant for the "Ottoman Siyaq Numbers" Unicode character block.
  java.lang.Character.UnicodeBlock.SMALL_KANA_EXTENSION
  13
  Constant for the "Small Kana Extension" Unicode character block.
  java.lang.Character.UnicodeBlock.SOGDIAN
  12
  Constant for the "Sogdian" Unicode character block.
  java.lang.Character.UnicodeBlock.SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A
  13
  Constant for the "Symbols and Pictographs Extended-A" Unicode character block.
  java.lang.Character.UnicodeBlock.SYMBOLS_FOR_LEGACY_COMPUTING
  15
  Constant for the "Symbols for Legacy Computing" Unicode character block.
  java.lang.Character.UnicodeBlock.TAMIL_SUPPLEMENT
  13
  Constant for the "Tamil Supplement" Unicode character block.
  java.lang.Character.UnicodeBlock.TANGSA
  19
  Constant for the "Tangsa" Unicode character block.
  java.lang.Character.UnicodeBlock.TANGUT_SUPPLEMENT
  15
  Constant for the "Tangut Supplement" Unicode character block.
  java.lang.Character.UnicodeBlock.TOTO
  19
  Constant for the "Toto" Unicode character block.
  java.lang.Character.UnicodeBlock.UNIFIED_CANADIAN_ABORIGINAL_SYLLABICS_EXTENDED_A
  19
  Constant for the "Unified Canadian Aboriginal Syllabics Extended-A" Unicode character block.
  java.lang.Character.UnicodeBlock.VITHKUQI
  19
  Constant for the "Vithkuqi" Unicode character block.
  java.lang.Character.UnicodeBlock.WANCHO
  13
  Constant for the "Wancho" Unicode character block.
  java.lang.Character.UnicodeBlock.YEZIDI
  15
  Constant for the "Yezidi" Unicode character block.
  java.lang.Character.UnicodeBlock.ZNAMENNY_MUSICAL_NOTATION
  19
  Constant for the "Znamenny Musical Notation" Unicode character block.
  java.lang.constant.ConstantDescs.BSM_CLASS_DATA
  21
  `MethodHandleDesc` representing `MethodHandles.classData`
  java.lang.constant.ConstantDescs.BSM_CLASS_DATA_AT
  21
  `MethodHandleDesc` representing `MethodHandles.classDataAt`
  java.lang.constant.ConstantDescs.BSM_EXPLICIT_CAST
  15
  `MethodHandleDesc` representing `ConstantBootstraps.explicitCast`
  java.lang.constant.ConstantDescs.BSM_GET_STATIC_FINAL
  15
  `MethodHandleDesc` representing `ConstantBootstraps.getStaticFinal`
  java.lang.constant.ConstantDescs.CLASS_INIT_NAME
  21
  The special name of class initialization methods, "<clinit>".
  java.lang.constant.ConstantDescs.FALSE
  15
  Nominal descriptor representing the constant Boolean.FALSE
  java.lang.constant.ConstantDescs.INIT_NAME
  21
  The special name of instance initialization methods, "<init>".
  java.lang.constant.ConstantDescs.MTD_void
  21
  Nominal descriptor representing the method descriptor `()V`, taking no argument and returning `void`.
  java.lang.constant.ConstantDescs.TRUE
  15
  Nominal descriptor representing the constant Boolean.TRUE
  java.lang.Double.PRECISION
  19
  The number of bits in the significand of a `double` value.
  java.lang.Float.PRECISION
  19
  The number of bits in the significand of a `float` value.
  java.lang.invoke.MethodHandles.Lookup.ORIGINAL
  16
  A single-bit mask representing `original` access which may contribute to the result of `lookupModes`.
  java.lang.invoke.StringConcatFactory.MAX_INDY_CONCAT_ARG_SLOTSPREVIEW
  21
  Maximum number of argument slots in String Concat call.
  java.lang.Math.TAU
  19
  The `double` value that is closer than any other to tau (τ), the ratio of the circumference of a circle to its radius.
  java.lang.StrictMath.TAU
  19
  The `double` value that is closer than any other to tau (τ), the ratio of the circumference of a circle to its radius.
  java.math.BigDecimal.TWO
  19
  The value 2, with a scale of 0.
  java.security.spec.MGF1ParameterSpec.SHA3_224
  16
  The `MGF1ParameterSpec` uses a "SHA3-224" message digest.
  java.security.spec.MGF1ParameterSpec.SHA3_256
  16
  The `MGF1ParameterSpec` uses a "SHA3-256" message digest.
  java.security.spec.MGF1ParameterSpec.SHA3_384
  16
  The `MGF1ParameterSpec` uses a "SHA3-384" message digest.
  java.security.spec.MGF1ParameterSpec.SHA3_512
  16
  The `MGF1ParameterSpec` uses a "SHA3-512" message digest.
  java.security.spec.NamedParameterSpec.ED25519
  15
  The Ed25519 parameters
  java.security.spec.NamedParameterSpec.ED448
  15
  The Ed448 parameters
  java.text.NumberFormat.Field.PREFIX
  12
  Constant identifying the prefix field.
  java.text.NumberFormat.Field.SUFFIX
  12
  Constant identifying the suffix field.
  java.time.chrono.JapaneseEra.REIWA
  13
  The singleton instance for the 'Reiwa' era (2019-05-01 - ) which has the value 3.
  javax.security.auth.kerberos.KerberosPrincipal.KRB_NT_ENTERPRISE
  13
  Enterprise name (alias)
  javax.xml.crypto.dsig.CanonicalizationMethod.INCLUSIVE_11
  13
  The Canonical XML 1.1 (without comments) canonicalization method algorithm URI.
  javax.xml.crypto.dsig.CanonicalizationMethod.INCLUSIVE_11_WITH_COMMENTS
  13
  The Canonical XML 1.1 with comments canonicalization method algorithm URI.
  javax.xml.crypto.dsig.SignatureMethod.ED25519
  21
  The ED25519 signature method algorithm URI.
  javax.xml.crypto.dsig.SignatureMethod.ED448
  21
  The ED448 signature method algorithm URI.
  javax.xml.crypto.dsig.SignatureMethod.RSA_PSS
  17
  The RSASSA-PSS signature method algorithm URI.
  jdk.incubator.vector.VectorOperators.BIT_COUNT
  19
  Produce `bitCount(a)`
  jdk.incubator.vector.VectorOperators.COMPRESS_BITS
  19
  Produce `compress(a,n)`.
  jdk.incubator.vector.VectorOperators.EXPAND_BITS
  19
  Produce `expand(a,n)`.
  jdk.incubator.vector.VectorOperators.LEADING_ZEROS_COUNT
  19
  Produce `numberOfLeadingZeros(a)`
  jdk.incubator.vector.VectorOperators.REVERSE
  19
  Produce `reverse(a)`
  jdk.incubator.vector.VectorOperators.REVERSE_BYTES
  19
  Produce `reverseBytes(a)`
  jdk.incubator.vector.VectorOperators.TRAILING_ZEROS_COUNT
  19
  Produce `numberOfTrailingZeros(a)`
  jdk.net.ExtendedSocketOptions.SO_INCOMING_NAPI_ID
  15
  Identifies the receive queue that the last incoming packet for the socket was received on.
  jdk.net.ExtendedSocketOptions.SO_PEERCRED
  16
  Unix Domain peer credentials.

- New Methods
  Method
  Added in
  Description
  com.sun.jdi.request.ThreadDeathRequest.addPlatformThreadsOnlyFilter()
  21
  Restricts the events generated by this request to only platform threads.
  com.sun.jdi.request.ThreadStartRequest.addPlatformThreadsOnlyFilter()
  21
  Restricts the events generated by this request to only platform threads.
  com.sun.jdi.ThreadReference.isVirtual()
  21
  Returns `true` if the thread is a virtual thread.
  com.sun.management.HotSpotDiagnosticMXBean.dumpThreads(String, HotSpotDiagnosticMXBean.ThreadDumpFormat)
  21
  Generate a thread dump to the given file in the given format.
  com.sun.management.OperatingSystemMXBean.getCpuLoad()
  14
  Returns the "recent cpu usage" for the operating environment.
  com.sun.management.OperatingSystemMXBean.getFreeMemorySize()
  14
  Returns the amount of free memory in bytes.
  com.sun.management.OperatingSystemMXBean.getTotalMemorySize()
  14
  Returns the total amount of memory in bytes.
  com.sun.management.ThreadMXBean.getCurrentThreadAllocatedBytes()
  14
  Returns an approximation of the total amount of memory, in bytes, allocated in heap memory for the current thread.
  com.sun.management.ThreadMXBean.getTotalThreadAllocatedBytes()
  21
  Returns an approximation of the total amount of memory, in bytes, allocated in heap memory by all threads since the Java virtual machine started.
  com.sun.net.httpserver.Filter.adaptRequest(String, UnaryOperator<Request>)
  18
  Returns a pre-processing Filter that inspects and possibly adapts the request state.
  com.sun.net.httpserver.Filter.afterHandler(String, Consumer<HttpExchange>)
  17
  Returns a post-processing `Filter` with the given description and operation.
  com.sun.net.httpserver.Filter.beforeHandler(String, Consumer<HttpExchange>)
  17
  Returns a pre-processing `Filter` with the given description and operation.
  com.sun.net.httpserver.Headers.of(String...)
  18
  Returns an immutable `Headers` with the given name value pairs as its set of headers.
  com.sun.net.httpserver.Headers.of(Map<String, List<String>>)
  18
  Returns an immutable `Headers` from the given `headers` with the same header names and values.
  com.sun.net.httpserver.HttpServer.create(InetSocketAddress, int, String, HttpHandler, Filter...)
  18
  Creates an `HttpServer` instance with an initial context.
  com.sun.net.httpserver.HttpsServer.create(InetSocketAddress, int, String, HttpHandler, Filter...)
  18
  Creates an `HttpsServer` instance with an initial context.
  com.sun.source.doctree.DocTreeVisitor.visitEscape(EscapeTree, P)
  21
  Visits an `EscapeTree` node.
  com.sun.source.doctree.DocTreeVisitor.visitSnippet(SnippetTree, P)
  18
  Visits a `SnippetTree` node.
  com.sun.source.doctree.DocTreeVisitor.visitSpec(SpecTree, P)
  20
  Visits a `SpecTree` node.
  com.sun.source.doctree.DocTreeVisitor.visitSystemProperty(SystemPropertyTree, P)
  12
  Visits a `SystemPropertyTree` node.
  com.sun.source.doctree.ReturnTree.isInline()
  16
  Returns whether this instance is an inline tag.
  com.sun.source.doctree.ValueTree.getFormat()
  20
  Returns the format string, or `null` if none was provided.
  com.sun.source.tree.CaseTree.getBody()
  12
  For case with kind CaseTree.CaseKind.RULE, returns the statement or expression after the arrow.
  com.sun.source.tree.CaseTree.getCaseKind()
  12
  Returns the kind of this case.
  com.sun.source.tree.CaseTree.getExpressions()
  12
  Returns the labels for this case.
  com.sun.source.tree.CaseTree.getGuard()
  21
  The guard for the case.
  com.sun.source.tree.CaseTree.getLabels()
  21
  Returns the labels for this case.
  com.sun.source.tree.ClassTree.getPermitsClause()
  17
  Returns the subclasses permitted by this type declaration.
  com.sun.source.tree.CompilationUnitTree.getModule()
  17
  Returns the module tree associated with this compilation unit, or `null` if there is no module declaration.
  com.sun.source.tree.InstanceOfTree.getPattern()
  16
  Returns the tested pattern, or null if this instanceof does not use a pattern.
  com.sun.source.tree.TreeVisitor.visitAnyPattern(AnyPatternTree, P)PREVIEW
  21
  Visits a `AnyPatternTree` node.
  com.sun.source.tree.TreeVisitor.visitBindingPattern(BindingPatternTree, P)
  16
  Visits a `BindingPatternTree` node.
  com.sun.source.tree.TreeVisitor.visitConstantCaseLabel(ConstantCaseLabelTree, P)
  21
  Visits a `ConstantCaseLabelTree` node.
  com.sun.source.tree.TreeVisitor.visitDeconstructionPattern(DeconstructionPatternTree, P)
  21
  Visits a `DeconstructionPatternTree` node.
  com.sun.source.tree.TreeVisitor.visitDefaultCaseLabel(DefaultCaseLabelTree, P)
  21
  Visits a `DefaultCaseLabelTree` node.
  com.sun.source.tree.TreeVisitor.visitPatternCaseLabel(PatternCaseLabelTree, P)
  21
  Visits a `PatternCaseLabelTree` node.
  com.sun.source.tree.TreeVisitor.visitSwitchExpression(SwitchExpressionTree, P)
  12
  Visits a `SwitchExpressionTree` node.
  com.sun.source.tree.TreeVisitor.visitYield(YieldTree, P)
  13
  Visits a `YieldTree` node.
  com.sun.source.util.DocTreeFactory.newEscapeTree(char)
  21
  Creates a new `EscapeTree` object, to represent an escaped character.
  com.sun.source.util.DocTreeFactory.newReturnTree(boolean, List<? extends DocTree>)
  16
  Creates a new `ReturnTree` object, to represent a `@return` tag or `{@return}` tag.
  com.sun.source.util.DocTreeFactory.newSnippetTree(List<? extends DocTree>, TextTree)
  18
  Creates a new `SnippetTree` object, to represent a `{@snippet }` tag.
  com.sun.source.util.DocTreeFactory.newSpecTree(TextTree, List<? extends DocTree>)
  20
  Creates a new `SpecTree` object, to represent an `@spec` tag.
  com.sun.source.util.DocTreeFactory.newSystemPropertyTree(Name)
  12
  Creates a new `SystemPropertyTree` object, to represent a `{@systemProperty }` tag.
  com.sun.source.util.DocTreeFactory.newValueTree(TextTree, ReferenceTree)
  20
  Creates a new `ValueTree` object, to represent a `{@value }` tag.
  com.sun.source.util.DocTrees.getType(DocTreePath)
  15
  Returns the language model type referred to by the leaf node of the given `DocTreePath`, or `null` if unknown.
  com.sun.source.util.DocTreeScanner.visitEscape(EscapeTree, P)
  21
  Visits an `EscapeTree` node.
  com.sun.source.util.DocTreeScanner.visitSnippet(SnippetTree, P)
  18
  Visits a `SnippetTree` node.
  com.sun.source.util.DocTreeScanner.visitSpec(SpecTree, P)
  20
  Visits a `SpecTree` node.
  com.sun.source.util.DocTreeScanner.visitSystemProperty(SystemPropertyTree, P)
  12
  Visits a `SystemPropertyTree` node.
  com.sun.source.util.JavacTask.setParameterNameProvider(ParameterNameProvider)
  13
  Sets the specified `ParameterNameProvider`.
  com.sun.source.util.SimpleDocTreeVisitor.visitEscape(EscapeTree, P)
  21
  Visits an `EscapeTree` node.
  com.sun.source.util.SimpleDocTreeVisitor.visitSnippet(SnippetTree, P)
  18
  Visits a `SnippetTree` node.
  com.sun.source.util.SimpleDocTreeVisitor.visitSpec(SpecTree, P)
  20
  Visits a `SpecTree` node.
  com.sun.source.util.SimpleDocTreeVisitor.visitSystemProperty(SystemPropertyTree, P)
  12
  Visits a `SystemPropertyTree` node.
  com.sun.source.util.SimpleTreeVisitor.visitAnyPattern(AnyPatternTree, P)PREVIEW
  21
  Visits a `AnyPatternTree` node.
  com.sun.source.util.SimpleTreeVisitor.visitBindingPattern(BindingPatternTree, P)
  14
  Visits a `BindingPatternTree` node.
  com.sun.source.util.SimpleTreeVisitor.visitConstantCaseLabel(ConstantCaseLabelTree, P)
  21
  Visits a `ConstantCaseLabelTree` node.
  com.sun.source.util.SimpleTreeVisitor.visitDeconstructionPattern(DeconstructionPatternTree, P)
  21
  Visits a `DeconstructionPatternTree` node.
  com.sun.source.util.SimpleTreeVisitor.visitDefaultCaseLabel(DefaultCaseLabelTree, P)
  21
  Visits a `DefaultCaseLabelTree` node.
  com.sun.source.util.SimpleTreeVisitor.visitPatternCaseLabel(PatternCaseLabelTree, P)
  21
  Visits a `PatternCaseLabelTree` node.
  com.sun.source.util.TreeScanner.visitAnyPattern(AnyPatternTree, P)PREVIEW
  21
  Visits a `AnyPatternTree` node.
  com.sun.source.util.TreeScanner.visitBindingPattern(BindingPatternTree, P)
  14
  Visits a `BindingPatternTree` node.
  com.sun.source.util.TreeScanner.visitConstantCaseLabel(ConstantCaseLabelTree, P)
  21
  Visits a `ConstantCaseLabelTree` node.
  com.sun.source.util.TreeScanner.visitDeconstructionPattern(DeconstructionPatternTree, P)
  21
  Visits a `DeconstructionPatternTree` node.
  com.sun.source.util.TreeScanner.visitDefaultCaseLabel(DefaultCaseLabelTree, P)
  21
  Visits a `DefaultCaseLabelTree` node.
  com.sun.source.util.TreeScanner.visitPatternCaseLabel(PatternCaseLabelTree, P)
  21
  Visits a `PatternCaseLabelTree` node.
  java.io.Console.charset()
  17
  Returns the `Charset` object used for the `Console`.
  java.io.InputStream.skipNBytes(long)
  12
  Skips over and discards exactly `n` bytes of data from this input stream.
  java.io.ObjectInputFilter.allowFilter(Predicate<Class<?>>, ObjectInputFilter.Status)
  17
  Returns a filter that returns `Status.ALLOWED` if the predicate on the class is `true`.
  java.io.ObjectInputFilter.Config.getSerialFilterFactory()
  17
  Returns the JVM-wide deserialization filter factory.
  java.io.ObjectInputFilter.Config.setSerialFilterFactory(BinaryOperator<ObjectInputFilter>)
  17
  Set the JVM-wide deserialization filter factory.
  java.io.ObjectInputFilter.merge(ObjectInputFilter, ObjectInputFilter)
  17
  Returns a filter that merges the status of a filter and another filter.
  java.io.ObjectInputFilter.rejectFilter(Predicate<Class<?>>, ObjectInputFilter.Status)
  17
  Returns a filter that returns `Status.REJECTED` if the predicate on the class is `true`.
  java.io.ObjectInputFilter.rejectUndecidedClass(ObjectInputFilter)
  17
  Returns a filter that invokes a given filter and maps `UNDECIDED` to `REJECTED` for classes, with some special cases, and otherwise returns the status.
  java.io.PrintStream.charset()
  18
  Returns the charset used in this `PrintStream` instance.
  java.io.PrintStream.write(byte[])
  14
  Writes all bytes from the specified byte array to this stream.
  java.io.PrintStream.writeBytes(byte[])
  14
  Writes all bytes from the specified byte array to this stream.
  java.lang.Boolean.describeConstable()
  15
  Returns an `Optional` containing the nominal descriptor for this instance.
  java.lang.Byte.describeConstable()
  15
  Returns an `Optional` containing the nominal descriptor for this instance.
  java.lang.Character.describeConstable()
  15
  Returns an `Optional` containing the nominal descriptor for this instance.
  java.lang.Character.isEmoji(int)
  21
  Determines if the specified character (Unicode code point) is an Emoji.
  java.lang.Character.isEmojiComponent(int)
  21
  Determines if the specified character (Unicode code point) is an Emoji Component.
  java.lang.Character.isEmojiModifier(int)
  21
  Determines if the specified character (Unicode code point) is an Emoji Modifier.
  java.lang.Character.isEmojiModifierBase(int)
  21
  Determines if the specified character (Unicode code point) is an Emoji Modifier Base.
  java.lang.Character.isEmojiPresentation(int)
  21
  Determines if the specified character (Unicode code point) has the Emoji Presentation property by default.
  java.lang.Character.isExtendedPictographic(int)
  21
  Determines if the specified character (Unicode code point) is an Extended Pictographic.
  java.lang.CharSequence.isEmpty()
  15
  Returns `true` if this character sequence is empty.
  java.lang.Class.accessFlags()
  20
  Returns an unmodifiable set of the access flags for this class, possibly empty.
  java.lang.Class.arrayType()
  12
  Returns a `Class` for an array type whose component type is described by this Class.
  java.lang.Class.componentType()
  12
  Returns the component type of this `Class`, if it describes an array type, or `null` otherwise.
  java.lang.Class.describeConstable()
  12
  Returns a nominal descriptor for this instance, if one can be constructed, or an empty `Optional` if one cannot be.
  java.lang.Class.descriptorString()
  12
  Returns the descriptor string of the entity (class, interface, array class, primitive type, or `void`) represented by this `Class` object.
  java.lang.Class.getPermittedSubclasses()
  17
  Returns an array containing `Class` objects representing the direct subinterfaces or subclasses permitted to extend or implement this class or interface if it is sealed.
  java.lang.Class.getRecordComponents()
  16
  Returns an array of `RecordComponent` objects representing all the record components of this record class, or `null` if this class is not a record class.
  java.lang.Class.isHidden()
  15
  Returns `true` if and only if the underlying class is a hidden class.
  java.lang.Class.isRecord()
  16
  Returns `true` if and only if this class is a record class.
  java.lang.Class.isSealed()
  17
  Returns `true` if and only if this `Class` object represents a sealed class or interface.
  java.lang.Class.isUnnamedClass()PREVIEW
  21
  Returns `true` if and only if the underlying class is an unnamed class.
  java.lang.constant.ClassDesc.ofInternalName(String)
  20
  Returns a ClassDesc for a class or interface type, given the name of the class or interface in internal form, such as `"java/lang/String"`.
  java.lang.constant.MethodTypeDesc.of(ClassDesc)
  21
  Returns a MethodTypeDesc with the given return type and no parameter types.
  java.lang.constant.MethodTypeDesc.of(ClassDesc, List<ClassDesc>)
  21
  Returns a MethodTypeDesc given the return type and a list of parameter types.
  java.lang.Double.describeConstable()
  12
  Returns an `Optional` containing the nominal descriptor for this instance, which is the instance itself.
  java.lang.Double.resolveConstantDesc(MethodHandles.Lookup)
  12
  Resolves this instance as a `ConstantDesc`, the result of which is the instance itself.
  java.lang.Enum.describeConstable()
  12
  Returns an enum descriptor `EnumDesc` for this instance, if one can be constructed, or an empty `Optional` if one cannot be.
  java.lang.Enum.EnumDesc.of(ClassDesc, String)
  12
  Returns a nominal descriptor for the specified `enum` class and name
  java.lang.Float.describeConstable()
  12
  Returns an `Optional` containing the nominal descriptor for this instance, which is the instance itself.
  java.lang.Float.float16ToFloat(short)
  20
  Returns the `float` value closest to the numerical value of the argument, a floating-point binary16 value encoded in a `short`.
  java.lang.Float.floatToFloat16(float)
  20
  Returns the floating-point binary16 value, encoded in a `short`, closest in value to the argument.
  java.lang.Float.resolveConstantDesc(MethodHandles.Lookup)
  12
  Resolves this instance as a `ConstantDesc`, the result of which is the instance itself.
  java.lang.Integer.compress(int, int)
  19
  Returns the value obtained by compressing the bits of the specified `int` value, `i`, in accordance with the specified bit mask.
  java.lang.Integer.describeConstable()
  12
  Returns an `Optional` containing the nominal descriptor for this instance, which is the instance itself.
  java.lang.Integer.expand(int, int)
  19
  Returns the value obtained by expanding the bits of the specified `int` value, `i`, in accordance with the specified bit mask.
  java.lang.Integer.resolveConstantDesc(MethodHandles.Lookup)
  12
  Resolves this instance as a `ConstantDesc`, the result of which is the instance itself.
  java.lang.invoke.ConstantBootstraps.explicitCast(MethodHandles.Lookup, String, Class<?>, Object)
  15
  Applies a conversion from a source type to a destination type.
  java.lang.invoke.MethodHandle.describeConstable()
  12
  Return a nominal descriptor for this instance, if one can be constructed, or an empty `Optional` if one cannot be.
  java.lang.invoke.MethodHandles.classData(MethodHandles.Lookup, String, Class<T>)
  16
  Returns the class data associated with the lookup class of the given `caller` lookup object, or `null`.
  java.lang.invoke.MethodHandles.classDataAt(MethodHandles.Lookup, String, Class<T>, int)
  16
  Returns the element at the specified index in the class data, if the class data associated with the lookup class of the given `caller` lookup object is a `List`.
  java.lang.invoke.MethodHandles.collectCoordinates(VarHandle, int, MethodHandle)PREVIEW
  19
  Adapts a target var handle by pre-processing a sub-sequence of its coordinate values with a filter (a method handle).
  java.lang.invoke.MethodHandles.dropCoordinates(VarHandle, int, Class<?>...)PREVIEW
  19
  Returns a var handle which will discard some dummy coordinates before delegating to the target var handle.
  java.lang.invoke.MethodHandles.dropReturn(MethodHandle)
  16
  Drop the return value of the target handle (if any).
  java.lang.invoke.MethodHandles.filterCoordinates(VarHandle, int, MethodHandle...)PREVIEW
  19
  Adapts a target var handle by pre-processing incoming coordinate values using unary filter functions.
  java.lang.invoke.MethodHandles.filterValue(VarHandle, MethodHandle, MethodHandle)PREVIEW
  19
  Adapts a target var handle by pre-processing incoming and outgoing values using a pair of filter functions.
  java.lang.invoke.MethodHandles.insertCoordinates(VarHandle, int, Object...)PREVIEW
  19
  Provides a target var handle with one or more bound coordinates in advance of the var handle's invocation.
  java.lang.invoke.MethodHandles.Lookup.defineHiddenClass(byte[], boolean, MethodHandles.Lookup.ClassOption...)
  15
  Creates a hidden class or interface from `bytes`, returning a `Lookup` on the newly created class or interface.
  java.lang.invoke.MethodHandles.Lookup.defineHiddenClassWithClassData(byte[], Object, boolean, MethodHandles.Lookup.ClassOption...)
  16
  Creates a hidden class or interface from `bytes` with associated class data, returning a `Lookup` on the newly created class or interface.
  java.lang.invoke.MethodHandles.Lookup.ensureInitialized(Class<T>)
  15
  Ensures that `targetClass` has been initialized.
  java.lang.invoke.MethodHandles.Lookup.hasFullPrivilegeAccess()
  14
  Returns `true` if this lookup has full privilege access, i.e.
  java.lang.invoke.MethodHandles.Lookup.previousLookupClass()
  14
  Reports a lookup class in another module that this lookup object was previously teleported from, or `null`.
  java.lang.invoke.MethodHandles.memorySegmentViewVarHandle(ValueLayout)PREVIEW
  19
  Creates a var handle object, which can be used to dereference a memory segmentPREVIEW at a given byte offset, using the provided value layout.
  java.lang.invoke.MethodHandles.permuteCoordinates(VarHandle, List<Class<?>>, int...)PREVIEW
  19
  Provides a var handle which adapts the coordinate values of the target var handle, by re-arranging them so that the new coordinates match the provided ones.
  java.lang.invoke.MethodType.describeConstable()
  12
  Returns a nominal descriptor for this instance, if one can be constructed, or an empty `Optional` if one cannot be.
  java.lang.invoke.MethodType.descriptorString()
  12
  Returns the descriptor string for this method type.
  java.lang.invoke.StringConcatFactory.makeConcatWithTemplate(List<String>, List<Class<?>>)PREVIEW
  21
  Simplified concatenation method to facilitate `StringTemplate`PREVIEW concatenation.
  java.lang.invoke.StringConcatFactory.makeConcatWithTemplateCluster(List<String>, List<Class<?>>, int)PREVIEW
  21
  This method breaks up large concatenations into separate `MethodHandles` based on the number of slots required per `MethodHandle`.
  java.lang.invoke.StringConcatFactory.makeConcatWithTemplateGetters(List<String>, List<MethodHandle>, int)PREVIEW
  21
  This method creates a `MethodHandle` expecting one input, the receiver of the supplied getters.
  java.lang.invoke.VarHandle.describeConstable()
  12
  Return a nominal descriptor for this instance, if one can be constructed, or an empty `Optional` if one cannot be.
  java.lang.invoke.VarHandle.hasInvokeExactBehavior()
  16
  Returns `true` if this VarHandle has invoke-exact behavior.
  java.lang.invoke.VarHandle.withInvokeBehavior()
  16
  Returns a VarHandle, with access to the same variable(s) as this VarHandle, but whose invocation behavior of access mode methods is adjusted to invoke behavior.
  java.lang.invoke.VarHandle.withInvokeExactBehavior()
  16
  Returns a VarHandle, with access to the same variable(s) as this VarHandle, but whose invocation behavior of access mode methods is adjusted to invoke-exact behavior.
  java.lang.Long.compress(long, long)
  19
  Returns the value obtained by compressing the bits of the specified `long` value, `i`, in accordance with the specified bit mask.
  java.lang.Long.describeConstable()
  12
  Returns an `Optional` containing the nominal descriptor for this instance, which is the instance itself.
  java.lang.Long.expand(long, long)
  19
  Returns the value obtained by expanding the bits of the specified `long` value, `i`, in accordance with the specified bit mask.
  java.lang.Long.resolveConstantDesc(MethodHandles.Lookup)
  12
  Resolves this instance as a `ConstantDesc`, the result of which is the instance itself.
  java.lang.Math.absExact(int)
  15
  Returns the mathematical absolute value of an `int` value if it is exactly representable as an `int`, throwing `ArithmeticException` if the result overflows the positive `int` range.
  java.lang.Math.absExact(long)
  15
  Returns the mathematical absolute value of an `long` value if it is exactly representable as an `long`, throwing `ArithmeticException` if the result overflows the positive `long` range.
  java.lang.Math.ceilDiv(int, int)
  18
  Returns the smallest (closest to negative infinity) `int` value that is greater than or equal to the algebraic quotient.
  java.lang.Math.ceilDiv(long, int)
  18
  Returns the smallest (closest to negative infinity) `long` value that is greater than or equal to the algebraic quotient.
  java.lang.Math.ceilDiv(long, long)
  18
  Returns the smallest (closest to negative infinity) `long` value that is greater than or equal to the algebraic quotient.
  java.lang.Math.ceilDivExact(int, int)
  18
  Returns the smallest (closest to negative infinity) `int` value that is greater than or equal to the algebraic quotient.
  java.lang.Math.ceilDivExact(long, long)
  18
  Returns the smallest (closest to negative infinity) `long` value that is greater than or equal to the algebraic quotient.
  java.lang.Math.ceilMod(int, int)
  18
  Returns the ceiling modulus of the `int` arguments.
  java.lang.Math.ceilMod(long, int)
  18
  Returns the ceiling modulus of the `long` and `int` arguments.
  java.lang.Math.ceilMod(long, long)
  18
  Returns the ceiling modulus of the `long` arguments.
  java.lang.Math.clamp(double, double, double)
  21
  Clamps the value to fit between min and max.
  java.lang.Math.clamp(float, float, float)
  21
  Clamps the value to fit between min and max.
  java.lang.Math.clamp(long, int, int)
  21
  Clamps the value to fit between min and max.
  java.lang.Math.clamp(long, long, long)
  21
  Clamps the value to fit between min and max.
  java.lang.Math.divideExact(int, int)
  18
  Returns the quotient of the arguments, throwing an exception if the result overflows an `int`.
  java.lang.Math.divideExact(long, long)
  18
  Returns the quotient of the arguments, throwing an exception if the result overflows a `long`.
  java.lang.Math.floorDivExact(int, int)
  18
  Returns the largest (closest to positive infinity) `int` value that is less than or equal to the algebraic quotient.
  java.lang.Math.floorDivExact(long, long)
  18
  Returns the largest (closest to positive infinity) `long` value that is less than or equal to the algebraic quotient.
  java.lang.Math.unsignedMultiplyHigh(long, long)
  18
  Returns as a `long` the most significant 64 bits of the unsigned 128-bit product of two unsigned 64-bit factors.
  java.lang.Module.isNativeAccessEnabled()PREVIEW
  20
  Returns `true` if this module can access restricted methods.
  java.lang.module.ModuleDescriptor.accessFlags()
  20
  Returns the set of the module flags.
  java.lang.module.ModuleDescriptor.Exports.accessFlags()
  20
  Returns the set of the module export flags for this module descriptor.
  java.lang.module.ModuleDescriptor.Opens.accessFlags()
  20
  Returns the set of the module opens flags.
  java.lang.module.ModuleDescriptor.Requires.accessFlags()
  20
  Returns the set of the module requires flags.
  java.lang.ModuleLayer.Controller.enableNativeAccess(Module)PREVIEW
  20
  Enables native access for a module in the layer if the caller's module has native access.
  java.lang.Process.errorReader()
  17
  Returns a `BufferedReader` connected to the standard error of the process.
  java.lang.Process.errorReader(Charset)
  17
  Returns a `BufferedReader` connected to the standard error of this process using a Charset.
  java.lang.Process.inputReader()
  17
  Returns a `BufferedReader` connected to the standard output of the process.
  java.lang.Process.inputReader(Charset)
  17
  Returns a `BufferedReader` connected to the standard output of this process using a Charset.
  java.lang.Process.outputWriter()
  17
  Returns a `BufferedWriter` connected to the normal input of the process using the native encoding.
  java.lang.Process.outputWriter(Charset)
  17
  Returns a `BufferedWriter` connected to the normal input of the process using a Charset.
  java.lang.ref.Reference.refersTo(T)
  16
  Tests if the referent of this reference object is `obj`.
  java.lang.reflect.Executable.accessFlags()
  20
  Returns an unmodifiable set of the access flags for the executable represented by this object, possibly empty.
  java.lang.reflect.Field.accessFlags()
  20
  Returns an unmodifiable set of the access flags for this field, possibly empty.
  java.lang.reflect.InvocationHandler.invokeDefault(Object, Method, Object...)
  16
  Invokes the specified default method on the given `proxy` instance with the given parameters.
  java.lang.reflect.Member.accessFlags()
  20
  Returns an unmodifiable set of the access flags for this member, possibly empty.
  java.lang.reflect.Parameter.accessFlags()
  20
  Returns an unmodifiable set of the access flags for the parameter represented by this object, possibly empty.
  java.lang.Short.describeConstable()
  15
  Returns an `Optional` containing the nominal descriptor for this instance.
  java.lang.StrictMath.absExact(int)
  15
  Returns the mathematical absolute value of an `int` value if it is exactly representable as an `int`, throwing `ArithmeticException` if the result overflows the positive `int` range.
  java.lang.StrictMath.absExact(long)
  15
  Returns the mathematical absolute value of an `long` value if it is exactly representable as an `long`, throwing `ArithmeticException` if the result overflows the positive `long` range.
  java.lang.StrictMath.ceilDiv(int, int)
  18
  Returns the smallest (closest to negative infinity) `int` value that is greater than or equal to the algebraic quotient.
  java.lang.StrictMath.ceilDiv(long, int)
  18
  Returns the smallest (closest to negative infinity) `long` value that is greater than or equal to the algebraic quotient.
  java.lang.StrictMath.ceilDiv(long, long)
  18
  Returns the smallest (closest to negative infinity) `long` value that is greater than or equal to the algebraic quotient.
  java.lang.StrictMath.ceilDivExact(int, int)
  18
  Returns the smallest (closest to negative infinity) `int` value that is greater than or equal to the algebraic quotient.
  java.lang.StrictMath.ceilDivExact(long, long)
  18
  Returns the smallest (closest to negative infinity) `long` value that is greater than or equal to the algebraic quotient.
  java.lang.StrictMath.ceilMod(int, int)
  18
  Returns the ceiling modulus of the `int` arguments.
  java.lang.StrictMath.ceilMod(long, int)
  18
  Returns the ceiling modulus of the `long` and `int` arguments.
  java.lang.StrictMath.ceilMod(long, long)
  18
  Returns the ceiling modulus of the `long` arguments.
  java.lang.StrictMath.clamp(double, double, double)
  21
  Clamps the value to fit between min and max.
  java.lang.StrictMath.clamp(float, float, float)
  21
  Clamps the value to fit between min and max.
  java.lang.StrictMath.clamp(long, int, int)
  21
  Clamps the value to fit between min and max.
  java.lang.StrictMath.clamp(long, long, long)
  21
  Clamps the value to fit between min and max.
  java.lang.StrictMath.decrementExact(int)
  14
  Returns the argument decremented by one, throwing an exception if the result overflows an `int`.
  java.lang.StrictMath.decrementExact(long)
  14
  Returns the argument decremented by one, throwing an exception if the result overflows a `long`.
  java.lang.StrictMath.divideExact(int, int)
  18
  Returns the quotient of the arguments, throwing an exception if the result overflows an `int`.
  java.lang.StrictMath.divideExact(long, long)
  18
  Returns the quotient of the arguments, throwing an exception if the result overflows a `long`.
  java.lang.StrictMath.floorDivExact(int, int)
  18
  Returns the largest (closest to positive infinity) `int` value that is less than or equal to the algebraic quotient.
  java.lang.StrictMath.floorDivExact(long, long)
  18
  Returns the largest (closest to positive infinity) `long` value that is less than or equal to the algebraic quotient.
  java.lang.StrictMath.incrementExact(int)
  14
  Returns the argument incremented by one, throwing an exception if the result overflows an `int`.
  java.lang.StrictMath.incrementExact(long)
  14
  Returns the argument incremented by one, throwing an exception if the result overflows a `long`.
  java.lang.StrictMath.negateExact(int)
  14
  Returns the negation of the argument, throwing an exception if the result overflows an `int`.
  java.lang.StrictMath.negateExact(long)
  14
  Returns the negation of the argument, throwing an exception if the result overflows a `long`.
  java.lang.StrictMath.unsignedMultiplyHigh(long, long)
  18
  Returns as a `long` the most significant 64 bits of the unsigned 128-bit product of two unsigned 64-bit factors.
  java.lang.String.describeConstable()
  12
  Returns an `Optional` containing the nominal descriptor for this instance, which is the instance itself.
  java.lang.String.formatted(Object...)
  15
  Formats using this string as the format string, and the supplied arguments.
  java.lang.String.indent(int)
  12
  Adjusts the indentation of each line of this string based on the value of `n`, and normalizes line termination characters.
  java.lang.String.indexOf(int, int, int)
  21
  Returns the index within this string of the first occurrence of the specified character, starting the search at `beginIndex` and stopping before `endIndex`.
  java.lang.String.indexOf(String, int, int)
  21
  Returns the index of the first occurrence of the specified substring within the specified index range of `this` string.
  java.lang.String.resolveConstantDesc(MethodHandles.Lookup)
  12
  Resolves this instance as a `ConstantDesc`, the result of which is the instance itself.
  java.lang.String.splitWithDelimiters(String, int)
  21
  Splits this string around matches of the given regular expression and returns both the strings and the matching delimiters.
  java.lang.String.stripIndent()
  15
  Returns a string whose value is this string, with incidental white space removed from the beginning and end of every line.
  java.lang.String.transform(Function<? super String, ? extends R>)
  12
  This method allows the application of a function to `this` string.
  java.lang.String.translateEscapes()
  15
  Returns a string whose value is this string, with escape sequences translated as if in a string literal.
  java.lang.StringBuffer.repeat(int, int)
  21
  java.lang.StringBuffer.repeat(CharSequence, int)
  21
  java.lang.StringBuilder.repeat(int, int)
  21
  java.lang.StringBuilder.repeat(CharSequence, int)
  21
  java.lang.Thread.isVirtual()
  21
  Returns `true` if this thread is a virtual thread.
  java.lang.Thread.join(Duration)
  19
  Waits for this thread to terminate for up to the given waiting duration.
  java.lang.Thread.ofPlatform()
  21
  Returns a builder for creating a platform `Thread` or `ThreadFactory` that creates platform threads.
  java.lang.Thread.ofVirtual()
  21
  Returns a builder for creating a virtual `Thread` or `ThreadFactory` that creates virtual threads.
  java.lang.Thread.sleep(Duration)
  19
  Causes the currently executing thread to sleep (temporarily cease execution) for the specified duration, subject to the precision and accuracy of system timers and schedulers.
  java.lang.Thread.startVirtualThread(Runnable)
  21
  Creates a virtual thread to execute a task and schedules it to execute.
  java.lang.Thread.threadId()
  19
  Returns the identifier of this Thread.
  java.math.BigInteger.parallelMultiply(BigInteger)
  19
  Returns a BigInteger whose value is `(this * val)`.
  java.net.DatagramSocket.joinGroup(SocketAddress, NetworkInterface)
  17
  Joins a multicast group.
  java.net.DatagramSocket.leaveGroup(SocketAddress, NetworkInterface)
  17
  Leave a multicast group on a specified local interface.
  java.net.http.HttpClient.awaitTermination(Duration)
  21
  Blocks until all operations have completed execution after a shutdown request, or the `duration` elapses, or the current thread is interrupted, whichever happens first.
  java.net.http.HttpClient.Builder.localAddress(InetAddress)
  19
  Binds the socket to this local address when creating connections for sending requests.
  java.net.http.HttpClient.close()
  21
  Initiates an orderly shutdown in which requests previously submitted to `send` or `sendAsync` are run to completion, but no new request will be accepted.
  java.net.http.HttpClient.isTerminated()
  21
  Returns `true` if all operations have completed following a shutdown.
  java.net.http.HttpClient.shutdown()
  21
  Initiates an orderly shutdown in which requests previously submitted with `send` or `sendAsync` are run to completion, but no new request will be accepted.
  java.net.http.HttpClient.shutdownNow()
  21
  This method attempts to initiate an immediate shutdown.
  java.net.http.HttpRequest.BodyPublishers.concat(HttpRequest.BodyPublisher...)
  16
  Returns a `BodyPublisher` that publishes a request body consisting of the concatenation of the request bodies published by a sequence of publishers.
  java.net.http.HttpRequest.Builder.HEAD()
  18
  Sets the request method of this builder to HEAD.
  java.net.http.HttpRequest.newBuilder(HttpRequest, BiPredicate<String, String>)
  16
  Creates a `Builder` whose initial state is copied from an existing `HttpRequest`.
  java.net.SecureCacheResponse.getSSLSession()
  12
  Returns an `Optional` containing the `SSLSession` in use on the original connection that retrieved the network resource.
  java.net.URL.of(URI, URLStreamHandler)
  20
  Creates a URL from a URI, as if by invoking `uri.toURL()`, but associating it with the given `URLStreamHandler`, if allowed.
  java.nio.Buffer.slice(int, int)
  13
  Creates a new buffer whose content is a shared subsequence of this buffer's content.
  java.nio.ByteBuffer.get(int, byte[])
  13
  Absolute bulk get method.
  java.nio.ByteBuffer.get(int, byte[], int, int)
  13
  Absolute bulk get method.
  java.nio.ByteBuffer.put(int, byte[])
  13
  Absolute bulk put method (optional operation).
  java.nio.ByteBuffer.put(int, byte[], int, int)
  13
  Absolute bulk put method (optional operation).
  java.nio.ByteBuffer.put(int, ByteBuffer, int, int)
  16
  Absolute bulk put method (optional operation).
  java.nio.ByteBuffer.slice(int, int)
  13
  Creates a new byte buffer whose content is a shared subsequence of this buffer's content.
  java.nio.channels.FileChannel.map(FileChannel.MapMode, long, long, Arena)PREVIEW
  19
  Maps a region of this channel's file into a new mapped memory segment, with the given offset, size and arena.
  java.nio.channels.ServerSocketChannel.open(ProtocolFamily)
  15
  Opens a server-socket channel.
  java.nio.channels.SocketChannel.open(ProtocolFamily)
  15
  Opens a socket channel.
  java.nio.channels.spi.SelectorProvider.openServerSocketChannel(ProtocolFamily)
  15
  Opens a server-socket channel.
  java.nio.channels.spi.SelectorProvider.openSocketChannel(ProtocolFamily)
  15
  Opens a socket channel.
  java.nio.CharBuffer.get(int, char[])
  13
  Absolute bulk get method.
  java.nio.CharBuffer.get(int, char[], int, int)
  13
  Absolute bulk get method.
  java.nio.CharBuffer.isEmpty()
  15
  Returns `true` if this character buffer is empty.
  java.nio.CharBuffer.put(int, char[])
  13
  Absolute bulk put method (optional operation).
  java.nio.CharBuffer.put(int, char[], int, int)
  13
  Absolute bulk put method (optional operation).
  java.nio.CharBuffer.put(int, CharBuffer, int, int)
  16
  Absolute bulk put method (optional operation).
  java.nio.CharBuffer.slice(int, int)
  13
  Creates a new char buffer whose content is a shared subsequence of this buffer's content.
  java.nio.charset.Charset.forName(String, Charset)
  18
  Returns a charset object for the named charset.
  java.nio.DoubleBuffer.get(int, double[])
  13
  Absolute bulk get method.
  java.nio.DoubleBuffer.get(int, double[], int, int)
  13
  Absolute bulk get method.
  java.nio.DoubleBuffer.put(int, double[])
  13
  Absolute bulk put method (optional operation).
  java.nio.DoubleBuffer.put(int, double[], int, int)
  13
  Absolute bulk put method (optional operation).
  java.nio.DoubleBuffer.put(int, DoubleBuffer, int, int)
  16
  Absolute bulk put method (optional operation).
  java.nio.DoubleBuffer.slice(int, int)
  13
  Creates a new double buffer whose content is a shared subsequence of this buffer's content.
  java.nio.file.Files.mismatch(Path, Path)
  12
  Finds and returns the position of the first mismatched byte in the content of two files, or `-1L` if there is no mismatch.
  java.nio.file.FileSystems.newFileSystem(Path)
  13
  Constructs a new `FileSystem` to access the contents of a file as a file system.
  java.nio.file.FileSystems.newFileSystem(Path, Map<String, ?>)
  13
  Constructs a new `FileSystem` to access the contents of a file as a file system.
  java.nio.file.FileSystems.newFileSystem(Path, Map<String, ?>, ClassLoader)
  13
  Constructs a new `FileSystem` to access the contents of a file as a file system.
  java.nio.file.spi.FileSystemProvider.exists(Path, LinkOption...)
  20
  Tests whether a file exists.
  java.nio.file.spi.FileSystemProvider.readAttributesIfExists(Path, Class<A>, LinkOption...)
  20
  Reads a file's attributes as a bulk operation if it exists.
  java.nio.FloatBuffer.get(int, float[])
  13
  Absolute bulk get method.
  java.nio.FloatBuffer.get(int, float[], int, int)
  13
  Absolute bulk get method.
  java.nio.FloatBuffer.put(int, float[])
  13
  Absolute bulk put method (optional operation).
  java.nio.FloatBuffer.put(int, float[], int, int)
  13
  Absolute bulk put method (optional operation).
  java.nio.FloatBuffer.put(int, FloatBuffer, int, int)
  16
  Absolute bulk put method (optional operation).
  java.nio.FloatBuffer.slice(int, int)
  13
  Creates a new float buffer whose content is a shared subsequence of this buffer's content.
  java.nio.IntBuffer.get(int, int[])
  13
  Absolute bulk get method.
  java.nio.IntBuffer.get(int, int[], int, int)
  13
  Absolute bulk get method.
  java.nio.IntBuffer.put(int, int[])
  13
  Absolute bulk put method (optional operation).
  java.nio.IntBuffer.put(int, int[], int, int)
  13
  Absolute bulk put method (optional operation).
  java.nio.IntBuffer.put(int, IntBuffer, int, int)
  16
  Absolute bulk put method (optional operation).
  java.nio.IntBuffer.slice(int, int)
  13
  Creates a new int buffer whose content is a shared subsequence of this buffer's content.
  java.nio.LongBuffer.get(int, long[])
  13
  Absolute bulk get method.
  java.nio.LongBuffer.get(int, long[], int, int)
  13
  Absolute bulk get method.
  java.nio.LongBuffer.put(int, long[])
  13
  Absolute bulk put method (optional operation).
  java.nio.LongBuffer.put(int, long[], int, int)
  13
  Absolute bulk put method (optional operation).
  java.nio.LongBuffer.put(int, LongBuffer, int, int)
  16
  Absolute bulk put method (optional operation).
  java.nio.LongBuffer.slice(int, int)
  13
  Creates a new long buffer whose content is a shared subsequence of this buffer's content.
  java.nio.MappedByteBuffer.force(int, int)
  13
  Forces any changes made to a region of this buffer's content to be written to the storage device containing the mapped file.
  java.nio.ShortBuffer.get(int, short[])
  13
  Absolute bulk get method.
  java.nio.ShortBuffer.get(int, short[], int, int)
  13
  Absolute bulk get method.
  java.nio.ShortBuffer.put(int, short[])
  13
  Absolute bulk put method (optional operation).
  java.nio.ShortBuffer.put(int, short[], int, int)
  13
  Absolute bulk put method (optional operation).
  java.nio.ShortBuffer.put(int, ShortBuffer, int, int)
  16
  Absolute bulk put method (optional operation).
  java.nio.ShortBuffer.slice(int, int)
  13
  Creates a new short buffer whose content is a shared subsequence of this buffer's content.
  java.security.KeyStore.getAttributes(String)
  18
  Retrieves the attributes associated with the given alias.
  java.security.KeyStoreSpi.engineGetAttributes(String)
  18
  Retrieves the attributes associated with the given alias.
  java.text.DecimalFormatSymbols.getLocale()
  19
  Returns locale used to create this instance.
  java.text.DecimalFormatSymbols.getMonetaryGroupingSeparator()
  15
  Gets the character used for grouping separator for currencies.
  java.text.DecimalFormatSymbols.setMonetaryGroupingSeparator(char)
  15
  Sets the character used for grouping separator for currencies.
  java.text.NumberFormat.getCompactNumberInstance()
  12
  Returns a compact number format for the default `FORMAT` locale with `"SHORT"` format style.
  java.text.NumberFormat.getCompactNumberInstance(Locale, NumberFormat.Style)
  12
  Returns a compact number format for the specified `locale` and `formatStyle`.
  java.text.spi.NumberFormatProvider.getCompactNumberInstance(Locale, NumberFormat.Style)
  12
  Returns a new `NumberFormat` instance which formats a number in its compact form for the specified `locale` and `formatStyle`.
  java.time.chrono.Chronology.isIsoBased()
  19
  Checks if this chronology is ISO based.
  java.time.chrono.IsoChronology.isIsoBased()
  19
  `IsoChronology` is an ISO based chronology, which supports fields in `IsoFields`, such as `DAY_OF_QUARTER` and `QUARTER_OF_YEAR`.
  java.time.chrono.JapaneseChronology.isIsoBased()
  19
  `JapaneseChronology` is an ISO based chronology, which supports fields in `IsoFields`, such as `DAY_OF_QUARTER` and `QUARTER_OF_YEAR`.
  java.time.chrono.MinguoChronology.isIsoBased()
  19
  `MinguoChronology` is an ISO based chronology, which supports fields in `IsoFields`, such as `DAY_OF_QUARTER` and `QUARTER_OF_YEAR`.
  java.time.chrono.ThaiBuddhistChronology.isIsoBased()
  19
  `ThaiBuddhistChronology` is an ISO based chronology, which supports fields in `IsoFields`, such as `DAY_OF_QUARTER` and `QUARTER_OF_YEAR`.
  java.time.Duration.isPositive()
  18
  Checks if this duration is positive, excluding zero.
  java.time.format.DateTimeFormatter.ofLocalizedPattern(String)
  19
  Creates a locale specific formatter derived from the requested template for the ISO chronology.
  java.time.format.DateTimeFormatterBuilder.appendDayPeriodText(TextStyle)
  16
  Appends the day period text to the formatter.
  java.time.format.DateTimeFormatterBuilder.appendLocalized(String)
  19
  Appends a localized pattern to the formatter using the requested template.
  java.time.format.DateTimeFormatterBuilder.getLocalizedDateTimePattern(String, Chronology, Locale)
  19
  Returns the formatting pattern for the requested template for a locale and chronology.
  java.util.ArrayList.addFirst(E)
  21
  Adds an element as the first element of this collection (optional operation).
  java.util.ArrayList.addLast(E)
  21
  Adds an element as the last element of this collection (optional operation).
  java.util.ArrayList.getFirst()
  21
  Gets the first element of this collection.
  java.util.ArrayList.getLast()
  21
  Gets the last element of this collection.
  java.util.ArrayList.removeFirst()
  21
  Removes and returns the first element of this collection (optional operation).
  java.util.ArrayList.removeLast()
  21
  Removes and returns the last element of this collection (optional operation).
  java.util.Collections.newSequencedSetFromMap(SequencedMap<E, Boolean>)
  21
  Returns a sequenced set backed by the specified map.
  java.util.Collections.shuffle(List<?>, RandomGenerator)
  21
  Randomly permute the specified list using the specified source of randomness.
  java.util.Collections.unmodifiableSequencedCollection(SequencedCollection<? extends T>)
  21
  Returns an unmodifiable view of the specified `SequencedCollection`.
  java.util.Collections.unmodifiableSequencedMap(SequencedMap<? extends K, ? extends V>)
  21
  Returns an unmodifiable view of the specified `SequencedMap`.
  java.util.Collections.unmodifiableSequencedSet(SequencedSet<? extends T>)
  21
  Returns an unmodifiable view of the specified `SequencedSet`.
  java.util.concurrent.CompletionStage.exceptionallyAsync(Function<Throwable, ? extends T>)
  12
  Returns a new CompletionStage that, when this stage completes exceptionally, is executed with this stage's exception as the argument to the supplied function, using this stage's default asynchronous execution facility.
  java.util.concurrent.CompletionStage.exceptionallyAsync(Function<Throwable, ? extends T>, Executor)
  12
  Returns a new CompletionStage that, when this stage completes exceptionally, is executed with this stage's exception as the argument to the supplied function, using the supplied Executor.
  java.util.concurrent.CompletionStage.exceptionallyCompose(Function<Throwable, ? extends CompletionStage<T>>)
  12
  Returns a new CompletionStage that, when this stage completes exceptionally, is composed using the results of the supplied function applied to this stage's exception.
  java.util.concurrent.CompletionStage.exceptionallyComposeAsync(Function<Throwable, ? extends CompletionStage<T>>)
  12
  Returns a new CompletionStage that, when this stage completes exceptionally, is composed using the results of the supplied function applied to this stage's exception, using this stage's default asynchronous execution facility.
  java.util.concurrent.CompletionStage.exceptionallyComposeAsync(Function<Throwable, ? extends CompletionStage<T>>, Executor)
  12
  Returns a new CompletionStage that, when this stage completes exceptionally, is composed using the results of the supplied function applied to this stage's exception, using the supplied Executor.
  java.util.concurrent.ConcurrentSkipListMap.putFirst(K, V)
  21
  Throws `UnsupportedOperationException`.
  java.util.concurrent.ConcurrentSkipListMap.putLast(K, V)
  21
  Throws `UnsupportedOperationException`.
  java.util.concurrent.ConcurrentSkipListSet.addFirst(E)
  21
  Throws `UnsupportedOperationException`.
  java.util.concurrent.ConcurrentSkipListSet.addLast(E)
  21
  Throws `UnsupportedOperationException`.
  java.util.concurrent.CopyOnWriteArrayList.addFirst(E)
  21
  Adds an element as the first element of this collection (optional operation).
  java.util.concurrent.CopyOnWriteArrayList.addLast(E)
  21
  Adds an element as the last element of this collection (optional operation).
  java.util.concurrent.CopyOnWriteArrayList.getFirst()
  21
  Gets the first element of this collection.
  java.util.concurrent.CopyOnWriteArrayList.getLast()
  21
  Gets the last element of this collection.
  java.util.concurrent.CopyOnWriteArrayList.removeFirst()
  21
  Removes and returns the first element of this collection (optional operation).
  java.util.concurrent.CopyOnWriteArrayList.removeLast()
  21
  Removes and returns the last element of this collection (optional operation).
  java.util.concurrent.CopyOnWriteArrayList.reversed()
  21
  Returns a reverse-ordered view of this collection.
  java.util.concurrent.Executors.newThreadPerTaskExecutor(ThreadFactory)
  21
  Creates an Executor that starts a new Thread for each task.
  java.util.concurrent.Executors.newVirtualThreadPerTaskExecutor()
  21
  Creates an Executor that starts a new virtual Thread for each task.
  java.util.concurrent.ExecutorService.close()
  19
  Initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be accepted.
  java.util.concurrent.ForkJoinPool.close()
  19
  Unless this is the `ForkJoinPool.commonPool()`, initiates an orderly shutdown in which previously submitted tasks are executed, but no new tasks will be accepted, and waits until all tasks have completed execution and the executor has terminated.
  java.util.concurrent.ForkJoinPool.externalSubmit(ForkJoinTask<T>)
  20
  Submits the given task as if submitted from a non-`ForkJoinTask` client.
  java.util.concurrent.ForkJoinPool.lazySubmit(ForkJoinTask<T>)
  19
  Submits the given task without guaranteeing that it will eventually execute in the absence of available active threads.
  java.util.concurrent.ForkJoinPool.setParallelism(int)
  19
  Changes the target parallelism of this pool, controlling the future creation, use, and termination of worker threads.
  java.util.concurrent.ForkJoinTask.adaptInterruptible(Callable<? extends T>)
  19
  Returns a new `ForkJoinTask` that performs the `call` method of the given `Callable` as its action, and returns its result upon `ForkJoinTask.join()`, translating any checked exceptions encountered into `RuntimeException`.
  java.util.concurrent.ForkJoinTask.quietlyJoin(long, TimeUnit)
  19
  Tries to join this task, returning true if it completed (possibly exceptionally) before the given timeout and the current thread has not been interrupted.
  java.util.concurrent.ForkJoinTask.quietlyJoinUninterruptibly(long, TimeUnit)
  19
  Tries to join this task, returning true if it completed (possibly exceptionally) before the given timeout.
  java.util.concurrent.ForkJoinWorkerThread.getQueuedTaskCount()
  20
  Returns a (non-negative) estimate of the number of tasks in the thread's queue.
  java.util.concurrent.Future.exceptionNow()
  19
  Returns the exception thrown by the task, without waiting.
  java.util.concurrent.Future.resultNow()
  19
  Returns the computed result, without waiting.
  java.util.concurrent.Future.state()
  19
  Returns the computation state.
  java.util.concurrent.locks.LockSupport.setCurrentBlocker(Object)
  14
  Sets the object to be returned by invocations of `getBlocker` for the current thread.
  java.util.Deque.reversed()
  21
  Returns a reverse-ordered view of this collection.
  java.util.HashMap.newHashMap(int)
  19
  Creates a new, empty HashMap suitable for the expected number of mappings.
  java.util.HashSet.newHashSet(int)
  19
  Creates a new, empty HashSet suitable for the expected number of elements.
  java.util.LinkedHashMap.newLinkedHashMap(int)
  19
  Creates a new, empty, insertion-ordered LinkedHashMap suitable for the expected number of mappings.
  java.util.LinkedHashMap.putFirst(K, V)
  21
  Inserts the given mapping into the map if it is not already present, or replaces the value of a mapping if it is already present (optional operation).
  java.util.LinkedHashMap.putLast(K, V)
  21
  Inserts the given mapping into the map if it is not already present, or replaces the value of a mapping if it is already present (optional operation).
  java.util.LinkedHashMap.reversed()
  21
  Returns a reverse-ordered view of this map.
  java.util.LinkedHashMap.sequencedEntrySet()
  21
  Returns a `SequencedSet` view of this map's `entrySet`.
  java.util.LinkedHashMap.sequencedKeySet()
  21
  Returns a `SequencedSet` view of this map's `keySet`.
  java.util.LinkedHashMap.sequencedValues()
  21
  Returns a `SequencedCollection` view of this map's `values` collection.
  java.util.LinkedHashSet.addFirst(E)
  21
  Adds an element as the first element of this collection (optional operation).
  java.util.LinkedHashSet.addLast(E)
  21
  Adds an element as the last element of this collection (optional operation).
  java.util.LinkedHashSet.getFirst()
  21
  Gets the first element of this collection.
  java.util.LinkedHashSet.getLast()
  21
  Gets the last element of this collection.
  java.util.LinkedHashSet.newLinkedHashSet(int)
  19
  Creates a new, empty LinkedHashSet suitable for the expected number of elements.
  java.util.LinkedHashSet.removeFirst()
  21
  Removes and returns the first element of this collection (optional operation).
  java.util.LinkedHashSet.removeLast()
  21
  Removes and returns the last element of this collection (optional operation).
  java.util.LinkedHashSet.reversed()
  21
  Returns a reverse-ordered view of this collection.
  java.util.LinkedList.reversed()
  21
  Returns a reverse-ordered view of this collection.
  java.util.List.addFirst(E)
  21
  Adds an element as the first element of this collection (optional operation).
  java.util.List.addLast(E)
  21
  Adds an element as the last element of this collection (optional operation).
  java.util.List.getFirst()
  21
  Gets the first element of this collection.
  java.util.List.getLast()
  21
  Gets the last element of this collection.
  java.util.List.removeFirst()
  21
  Removes and returns the first element of this collection (optional operation).
  java.util.List.removeLast()
  21
  Removes and returns the last element of this collection (optional operation).
  java.util.List.reversed()
  21
  Returns a reverse-ordered view of this collection.
  java.util.Locale.availableLocales()
  21
  Returns a stream of installed locales.
  java.util.Locale.caseFoldLanguageTag(String)
  21
  Returns a case folded IETF BCP 47 language tag.
  java.util.Locale.of(String)
  19
  Obtains a locale from a language code.
  java.util.Locale.of(String, String)
  19
  Obtains a locale from language and country.
  java.util.Locale.of(String, String, String)
  19
  Obtains a locale from language, country and variant.
  java.util.logging.LogRecord.getLongThreadID()
  16
  Get a thread identifier for the thread where message originated
  java.util.logging.LogRecord.setLongThreadID(long)
  16
  Set an identifier for the thread where the message originated.
  java.util.Map.Entry.copyOf(Map.Entry<? extends K, ? extends V>)
  17
  Returns a copy of the given `Map.Entry`.
  java.util.NavigableMap.reversed()
  21
  Returns a reverse-ordered view of this map.
  java.util.NavigableSet.removeFirst()
  21
  Removes and returns the first element of this collection (optional operation).
  java.util.NavigableSet.removeLast()
  21
  Removes and returns the last element of this collection (optional operation).
  java.util.NavigableSet.reversed()
  21
  Returns a reverse-ordered view of this collection.
  java.util.Objects.checkFromIndexSize(long, long, long)
  16
  Checks if the sub-range from `fromIndex` (inclusive) to `fromIndex + size` (exclusive) is within the bounds of range from `0` (inclusive) to `length` (exclusive).
  java.util.Objects.checkFromToIndex(long, long, long)
  16
  Checks if the sub-range from `fromIndex` (inclusive) to `toIndex` (exclusive) is within the bounds of range from `0` (inclusive) to `length` (exclusive).
  java.util.Objects.checkIndex(long, long)
  16
  Checks if the `index` is within the bounds of the range from `0` (inclusive) to `length` (exclusive).
  java.util.Objects.toIdentityString(Object)
  19
  Returns a string equivalent to the string returned by `Object.toString` if that method and `hashCode` are not overridden.
  java.util.Random.from(RandomGenerator)
  19
  Returns an instance of `Random` that delegates method calls to the `RandomGenerator` argument.
  java.util.regex.Matcher.hasMatch()
  20
  Returns whether `this` contains a valid match from a previous match or find operation.
  java.util.regex.Matcher.namedGroups()
  20
  Returns an unmodifiable map from capturing group names to group numbers.
  java.util.regex.MatchResult.end(String)
  20
  Returns the offset after the last character of the subsequence captured by the given named-capturing group during the previous match operation.
  java.util.regex.MatchResult.group(String)
  20
  Returns the input subsequence captured by the given named-capturing group during the previous match operation.
  java.util.regex.MatchResult.hasMatch()
  20
  Returns whether `this` contains a valid match from a previous match or find operation.
  java.util.regex.MatchResult.namedGroups()
  20
  Returns an unmodifiable map from capturing group names to group numbers.
  java.util.regex.MatchResult.start(String)
  20
  Returns the start index of the subsequence captured by the given named-capturing group during the previous match operation.
  java.util.regex.Pattern.namedGroups()
  20
  Returns an unmodifiable map from capturing group names to group numbers.
  java.util.regex.Pattern.splitWithDelimiters(CharSequence, int)
  21
  Splits the given input sequence around matches of this pattern and returns both the strings and the matching delimiters.
  java.util.SortedMap.putFirst(K, V)
  21
  Throws `UnsupportedOperationException`.
  java.util.SortedMap.putLast(K, V)
  21
  Throws `UnsupportedOperationException`.
  java.util.SortedMap.reversed()
  21
  Returns a reverse-ordered view of this map.
  java.util.SortedSet.addFirst(E)
  21
  Throws `UnsupportedOperationException`.
  java.util.SortedSet.addLast(E)
  21
  Throws `UnsupportedOperationException`.
  java.util.SortedSet.getFirst()
  21
  Gets the first element of this collection.
  java.util.SortedSet.getLast()
  21
  Gets the last element of this collection.
  java.util.SortedSet.removeFirst()
  21
  Removes and returns the first element of this collection (optional operation).
  java.util.SortedSet.removeLast()
  21
  Removes and returns the last element of this collection (optional operation).
  java.util.SortedSet.reversed()
  21
  Returns a reverse-ordered view of this collection.
  java.util.spi.ToolProvider.description()
  19
  Returns a short description of the tool, or an empty `Optional` if no description is available.
  java.util.SplittableRandom.split(RandomGenerator.SplittableGenerator)
  17
  Returns a new pseudorandom number generator, split off from this one, that implements the `RandomGenerator` and `RandomGenerator.SplittableGenerator` interfaces.
  java.util.SplittableRandom.splits()
  17
  Returns an effectively unlimited stream of new pseudorandom number generators, each of which implements the `RandomGenerator.SplittableGenerator` interface.
  java.util.SplittableRandom.splits(long)
  17
  Returns a stream producing the given `streamSize` number of new pseudorandom number generators, each of which implements the `RandomGenerator.SplittableGenerator` interface.
  java.util.SplittableRandom.splits(long, RandomGenerator.SplittableGenerator)
  17
  Returns a stream producing the given `streamSize` number of new pseudorandom number generators, each of which implements the `RandomGenerator.SplittableGenerator` interface.
  java.util.SplittableRandom.splits(RandomGenerator.SplittableGenerator)
  17
  Returns an effectively unlimited stream of new pseudorandom number generators, each of which implements the `RandomGenerator.SplittableGenerator` interface.
  java.util.stream.Collectors.teeing(Collector<? super T, ?, R1>, Collector<? super T, ?, R2>, BiFunction<? super R1, ? super R2, R>)
  12
  Returns a `Collector` that is a composite of two downstream collectors.
  java.util.stream.DoubleStream.mapMulti(DoubleStream.DoubleMapMultiConsumer)
  16
  Returns a stream consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
  java.util.stream.IntStream.mapMulti(IntStream.IntMapMultiConsumer)
  16
  Returns a stream consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
  java.util.stream.LongStream.mapMulti(LongStream.LongMapMultiConsumer)
  16
  Returns a stream consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
  java.util.stream.Stream.mapMulti(BiConsumer<? super T, ? super Consumer<R>>)
  16
  Returns a stream consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
  java.util.stream.Stream.mapMultiToDouble(BiConsumer<? super T, ? super DoubleConsumer>)
  16
  Returns a `DoubleStream` consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
  java.util.stream.Stream.mapMultiToInt(BiConsumer<? super T, ? super IntConsumer>)
  16
  Returns an `IntStream` consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
  java.util.stream.Stream.mapMultiToLong(BiConsumer<? super T, ? super LongConsumer>)
  16
  Returns a `LongStream` consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
  java.util.stream.Stream.toList()
  16
  Accumulates the elements of this stream into a `List`.
  java.util.TreeMap.putFirst(K, V)
  21
  Throws `UnsupportedOperationException`.
  java.util.TreeMap.putLast(K, V)
  21
  Throws `UnsupportedOperationException`.
  java.util.TreeSet.addFirst(E)
  21
  Throws `UnsupportedOperationException`.
  java.util.TreeSet.addLast(E)
  21
  Throws `UnsupportedOperationException`.
  java.util.WeakHashMap.newWeakHashMap(int)
  19
  Creates a new, empty WeakHashMap suitable for the expected number of mappings.
  java.util.zip.ZipInputStream.skipNBytes(long)
  12
  Skips over and discards exactly `n` bytes of data from this input stream for the current ZIP entry.
  javax.annotation.processing.Messager.printError(CharSequence)
  18
  Prints an error.
  javax.annotation.processing.Messager.printError(CharSequence, Element)
  18
  Prints an error at the location of the element.
  javax.annotation.processing.Messager.printNote(CharSequence)
  18
  Prints a note.
  javax.annotation.processing.Messager.printNote(CharSequence, Element)
  18
  Prints a note at the location of the element.
  javax.annotation.processing.Messager.printWarning(CharSequence)
  18
  Prints a warning.
  javax.annotation.processing.Messager.printWarning(CharSequence, Element)
  18
  Prints a warning at the location of the element.
  javax.annotation.processing.ProcessingEnvironment.isPreviewEnabled()
  13
  Returns `true` if preview features are enabled and `false` otherwise.
  javax.lang.model.element.ElementKind.isDeclaredType()
  19
  Returns `true` if this is a kind of declared type, a class or an interface, and `false` otherwise.
  javax.lang.model.element.ElementKind.isExecutable()
  19
  Returns `true` if this is a kind of executable: either `METHOD` or `CONSTRUCTOR` or `STATIC_INIT` or `INSTANCE_INIT`.
  javax.lang.model.element.ElementKind.isInitializer()
  19
  Returns `true` if this is a kind of initializer: either `STATIC_INIT` or `INSTANCE_INIT`.
  javax.lang.model.element.ElementKind.isVariable()
  19
  Returns `true` if this is a kind of variable: including `ENUM_CONSTANT`, `FIELD`, `PARAMETER`, `LOCAL_VARIABLE`, `EXCEPTION_PARAMETER`, `RESOURCE_VARIABLE`, and `BINDING_VARIABLE`.
  javax.lang.model.element.ElementVisitor.visitRecordComponent(RecordComponentElement, P)
  16
  Visits a record component element.
  javax.lang.model.element.TypeElement.getPermittedSubclasses()
  17
  Returns the permitted classes of this class or interface element in declaration order.
  javax.lang.model.element.TypeElement.getRecordComponents()
  16
  Returns the record components of this class or interface element in declaration order.
  javax.lang.model.element.TypeElement.isUnnamed()PREVIEW
  21
  Returns `true` if this is an unnamed class and `false` otherwise.
  javax.lang.model.element.VariableElement.isUnnamed()PREVIEW
  21
  Returns `true` if this is an unnamed variable and `false` otherwise.
  javax.lang.model.SourceVersion.runtimeVersion()
  18
  Returns the least runtime version that supports this source version; otherwise `null`.
  javax.lang.model.SourceVersion.valueOf(Runtime.Version)
  18
  Returns the latest source version that is usable under the runtime version argument.
  javax.lang.model.util.AbstractElementVisitor6.visitRecordComponent(RecordComponentElement, P)
  14
  Visits a record component element.
  javax.lang.model.util.ElementFilter.recordComponentsIn(Iterable<? extends Element>)
  16
  Returns a list of record components in `elements`.
  javax.lang.model.util.ElementFilter.recordComponentsIn(Set<? extends Element>)
  16
  Returns a set of record components in `elements`.
  javax.lang.model.util.ElementKindVisitor14.visitVariableAsBindingVariable(VariableElement, P)
  14
  Visits a `BINDING_VARIABLE` variable element.
  javax.lang.model.util.ElementKindVisitor6.visitTypeAsRecord(TypeElement, P)
  16
  Visits a `RECORD` type element.
  javax.lang.model.util.ElementKindVisitor6.visitVariableAsBindingVariable(VariableElement, P)
  14
  Visits a `BINDING_VARIABLE` variable element.
  javax.lang.model.util.Elements.getFileObjectOf(Element)
  18
  Returns the file object for this element or `null` if there is no such file object.
  javax.lang.model.util.Elements.getOutermostTypeElement(Element)
  18
  Returns the outermost type element an element is contained in if such a containing element exists; otherwise returns `null`.
  javax.lang.model.util.Elements.isAutomaticModule(ModuleElement)
  17
  Returns `true` if the module element is an automatic module, `false` otherwise.
  javax.lang.model.util.Elements.isCanonicalConstructor(ExecutableElement)
  20
  Returns `true` if the executable element can be determined to be a canonical constructor of a record, `false` otherwise.
  javax.lang.model.util.Elements.isCompactConstructor(ExecutableElement)
  20
  Returns `true` if the executable element can be determined to be a compact constructor of a record, `false` otherwise.
  javax.lang.model.util.Elements.recordComponentFor(ExecutableElement)
  16
  Returns the record component for the given accessor.
  javax.net.ssl.HttpsURLConnection.getSSLSession()
  12
  Returns an `Optional` containing the `SSLSession` in use on this connection.
  javax.net.ssl.SSLParameters.getNamedGroups()
  20
  Returns a prioritized array of key exchange named groups names that can be used over the SSL/TLS/DTLS protocols.
  javax.net.ssl.SSLParameters.getSignatureSchemes()
  19
  Returns a prioritized array of signature scheme names that can be used over the SSL/TLS/DTLS protocols.
  javax.net.ssl.SSLParameters.setNamedGroups(String[])
  20
  Sets the prioritized array of key exchange named groups names that can be used over the SSL/TLS/DTLS protocols.
  javax.net.ssl.SSLParameters.setSignatureSchemes(String[])
  19
  Sets the prioritized array of signature scheme names that can be used over the SSL/TLS/DTLS protocols.
  javax.security.auth.Subject.callAs(Subject, Callable<T>)
  18
  Executes a `Callable` with `subject` as the current subject.
  javax.security.auth.Subject.current()
  18
  Returns the current subject.
  javax.swing.filechooser.FileSystemView.getChooserShortcutPanelFiles()
  12
  Returns an array of files representing the values to show by default in the file chooser shortcuts panel.
  javax.swing.filechooser.FileSystemView.getSystemIcon(File, int, int)
  17
  Returns an icon for a file, directory, or folder as it would be displayed in a system file browser for the requested size.
  javax.tools.JavaFileManager.getFileForOutputForOriginatingFiles(JavaFileManager.Location, String, String, FileObject...)
  18
  Returns a file object for output representing the specified relative name in the specified package in the given location.
  javax.tools.JavaFileManager.getJavaFileForOutputForOriginatingFiles(JavaFileManager.Location, String, JavaFileObject.Kind, FileObject...)
  18
  Returns a file object for output representing the specified class of the specified kind in the given package-oriented location.
  javax.tools.StandardJavaFileManager.getJavaFileObjectsFromPaths(Collection<? extends Path>)
  13
  Returns file objects representing the given paths.
  javax.xml.parsers.DocumentBuilderFactory.newDefaultNSInstance()
  13
  Creates a new NamespaceAware instance of the `DocumentBuilderFactory` builtin system-default implementation.
  javax.xml.parsers.DocumentBuilderFactory.newNSInstance()
  13
  Creates a new NamespaceAware instance of a `DocumentBuilderFactory`.
  javax.xml.parsers.DocumentBuilderFactory.newNSInstance(String, ClassLoader)
  13
  Creates a new NamespaceAware instance of a `DocumentBuilderFactory` from the class name.
  javax.xml.parsers.SAXParserFactory.newDefaultNSInstance()
  13
  Creates a new NamespaceAware instance of the `SAXParserFactory` builtin system-default implementation.
  javax.xml.parsers.SAXParserFactory.newNSInstance()
  13
  Creates a new NamespaceAware instance of a `SAXParserFactory`.
  javax.xml.parsers.SAXParserFactory.newNSInstance(String, ClassLoader)
  13
  Creates a new NamespaceAware instance of a `SAXParserFactory` from the class name.
  javax.xml.xpath.XPathFactory.getProperty(String)
  18
  Returns the value of the specified property.
  javax.xml.xpath.XPathFactory.setProperty(String, String)
  18
  Sets a property for this `XPathFactory`.
  jdk.incubator.vector.ByteVector.compress(VectorMask<Byte>)
  19
  Compresses the lane elements of this vector selecting lanes under the control of a specific mask.
  jdk.incubator.vector.ByteVector.expand(VectorMask<Byte>)
  19
  Expands the lane elements of this vector under the control of a specific mask.
  jdk.incubator.vector.ByteVector.fromMemorySegment(VectorSpecies<Byte>, MemorySegment, long, ByteOrder)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
  jdk.incubator.vector.ByteVector.fromMemorySegment(VectorSpecies<Byte>, MemorySegment, long, ByteOrder, VectorMask<Byte>)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
  jdk.incubator.vector.ByteVector.intoMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
  jdk.incubator.vector.ByteVector.intoMemorySegment(MemorySegment, long, ByteOrder, VectorMask<Byte>)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
  jdk.incubator.vector.DoubleVector.compress(VectorMask<Double>)
  19
  Compresses the lane elements of this vector selecting lanes under the control of a specific mask.
  jdk.incubator.vector.DoubleVector.expand(VectorMask<Double>)
  19
  Expands the lane elements of this vector under the control of a specific mask.
  jdk.incubator.vector.DoubleVector.fromMemorySegment(VectorSpecies<Double>, MemorySegment, long, ByteOrder)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
  jdk.incubator.vector.DoubleVector.fromMemorySegment(VectorSpecies<Double>, MemorySegment, long, ByteOrder, VectorMask<Double>)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
  jdk.incubator.vector.DoubleVector.intoMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
  jdk.incubator.vector.DoubleVector.intoMemorySegment(MemorySegment, long, ByteOrder, VectorMask<Double>)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
  jdk.incubator.vector.FloatVector.compress(VectorMask<Float>)
  19
  Compresses the lane elements of this vector selecting lanes under the control of a specific mask.
  jdk.incubator.vector.FloatVector.expand(VectorMask<Float>)
  19
  Expands the lane elements of this vector under the control of a specific mask.
  jdk.incubator.vector.FloatVector.fromMemorySegment(VectorSpecies<Float>, MemorySegment, long, ByteOrder)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
  jdk.incubator.vector.FloatVector.fromMemorySegment(VectorSpecies<Float>, MemorySegment, long, ByteOrder, VectorMask<Float>)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
  jdk.incubator.vector.FloatVector.intoMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
  jdk.incubator.vector.FloatVector.intoMemorySegment(MemorySegment, long, ByteOrder, VectorMask<Float>)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
  jdk.incubator.vector.IntVector.compress(VectorMask<Integer>)
  19
  Compresses the lane elements of this vector selecting lanes under the control of a specific mask.
  jdk.incubator.vector.IntVector.expand(VectorMask<Integer>)
  19
  Expands the lane elements of this vector under the control of a specific mask.
  jdk.incubator.vector.IntVector.fromMemorySegment(VectorSpecies<Integer>, MemorySegment, long, ByteOrder)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
  jdk.incubator.vector.IntVector.fromMemorySegment(VectorSpecies<Integer>, MemorySegment, long, ByteOrder, VectorMask<Integer>)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
  jdk.incubator.vector.IntVector.intoMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
  jdk.incubator.vector.IntVector.intoMemorySegment(MemorySegment, long, ByteOrder, VectorMask<Integer>)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
  jdk.incubator.vector.LongVector.compress(VectorMask<Long>)
  19
  Compresses the lane elements of this vector selecting lanes under the control of a specific mask.
  jdk.incubator.vector.LongVector.expand(VectorMask<Long>)
  19
  Expands the lane elements of this vector under the control of a specific mask.
  jdk.incubator.vector.LongVector.fromMemorySegment(VectorSpecies<Long>, MemorySegment, long, ByteOrder)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
  jdk.incubator.vector.LongVector.fromMemorySegment(VectorSpecies<Long>, MemorySegment, long, ByteOrder, VectorMask<Long>)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
  jdk.incubator.vector.LongVector.intoMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
  jdk.incubator.vector.LongVector.intoMemorySegment(MemorySegment, long, ByteOrder, VectorMask<Long>)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
  jdk.incubator.vector.ShortVector.compress(VectorMask<Short>)
  19
  Compresses the lane elements of this vector selecting lanes under the control of a specific mask.
  jdk.incubator.vector.ShortVector.expand(VectorMask<Short>)
  19
  Expands the lane elements of this vector under the control of a specific mask.
  jdk.incubator.vector.ShortVector.fromMemorySegment(VectorSpecies<Short>, MemorySegment, long, ByteOrder)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment.
  jdk.incubator.vector.ShortVector.fromMemorySegment(VectorSpecies<Short>, MemorySegment, long, ByteOrder, VectorMask<Short>)PREVIEW
  19
  Loads a vector from a memory segmentPREVIEW starting at an offset into the memory segment and using a mask.
  jdk.incubator.vector.ShortVector.intoMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
  jdk.incubator.vector.ShortVector.intoMemorySegment(MemorySegment, long, ByteOrder, VectorMask<Short>)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
  jdk.incubator.vector.Vector.compress(VectorMask<E>)
  19
  Compresses the lane elements of this vector selecting lanes under the control of a specific mask.
  jdk.incubator.vector.Vector.expand(VectorMask<E>)
  19
  Expands the lane elements of this vector under the control of a specific mask.
  jdk.incubator.vector.Vector.intoMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order.
  jdk.incubator.vector.Vector.intoMemorySegment(MemorySegment, long, ByteOrder, VectorMask<E>)PREVIEW
  19
  Stores this vector into a memory segmentPREVIEW starting at an offset using explicit byte order and a mask.
  jdk.incubator.vector.VectorMask.compress()
  19
  Compresses set lanes from this mask.
  jdk.incubator.vector.VectorMask.indexInRange(long, long)
  19
  Removes lanes numbered `N` from this mask where the adjusted index `N+offset`, is not in the range `[0..limit-1]`.
  jdk.incubator.vector.VectorSpecies.fromMemorySegment(MemorySegment, long, ByteOrder)PREVIEW
  19
  Loads a vector of this species from a memory segmentPREVIEW starting at an offset into the memory segment.
  jdk.incubator.vector.VectorSpecies.indexInRange(long, long)
  19
  Returns a mask of this species where only the lanes at index N such that the adjusted index `N+offset` is in the range `[0..limit-1]` are set.
  jdk.incubator.vector.VectorSpecies.loopBound(long)
  19
  Loop control function which returns the largest multiple of `VLENGTH` that is less than or equal to the given `length` value.
  jdk.javadoc.doclet.Reporter.getDiagnosticWriter()
  17
  Returns a writer that can be used to write diagnostic output, or `null` if no such writer is available.
  jdk.javadoc.doclet.Reporter.getStandardWriter()
  17
  Returns a writer that can be used to write non-diagnostic output, or `null` if no such writer is available.
  jdk.javadoc.doclet.Reporter.print(Diagnostic.Kind, DocTreePath, int, int, int, String)
  18
  Prints a diagnostic message related to a position within a range of characters in a tree node.
  jdk.javadoc.doclet.Reporter.print(Diagnostic.Kind, FileObject, int, int, int, String)
  17
  Prints a diagnostic message related to a position within a range of characters in a file.
  jdk.javadoc.doclet.StandardDoclet.getLocale()
  17
  Returns the locale for this doclet.
  jdk.javadoc.doclet.StandardDoclet.getReporter()
  17
  Returns the reporter for this doclet.
  jdk.jfr.consumer.EventStream.onMetadata(Consumer<MetadataEvent>)
  16
  Registers an action to perform when new metadata arrives in the stream.
  jdk.jfr.consumer.RecordedThread.isVirtual()
  21
  Returns `true` if this is a virtual Thread, `false` otherwise.
  jdk.jfr.consumer.RecordingFile.write(Path, Predicate<RecordedEvent>)
  19
  Filter out events and write them to a new file.
  jdk.jfr.consumer.RecordingStream.dump(Path)
  17
  Writes recording data to a file.
  jdk.jfr.consumer.RecordingStream.stop()
  20
  Stops the recording stream.
  jdk.jshell.JShell.Builder.console(JShellConsole)
  21
  Sets the console for the running evalution.
  jdk.jshell.SourceCodeAnalysis.highlights(String)
  19
  Returns a collection of `Highlight`s which can be used to color the given snippet.
  jdk.jshell.spi.ExecutionEnv.console()
  21
  Returns the `JShellConsole` that should be used by the execution engine, or `null` if none.
  jdk.jshell.tool.JavaShellToolBuilder.interactiveTerminal(boolean)
  17
  Set to true to specify the inputs and outputs are connected to an interactive terminal that can interpret the ANSI escape codes.
  jdk.management.jfr.RemoteRecordingStream.dump(Path)
  17
  Writes recording data to a file.
  jdk.management.jfr.RemoteRecordingStream.stop()
  20
  Stops the recording stream.
  org.xml.sax.ContentHandler.declaration(String, String, String)
  14
  Receives notification of the XML declaration.

- New Constructors
  Constructor
  Added in
  Description
  com.sun.net.httpserver.Headers(Map<String, List<String>>)
  18
  Creates a mutable `Headers` from the given `headers` with the same header names and values.
  java.io.InvalidClassException(String, String, Throwable)
  19
  Report an InvalidClassException for the reason and cause specified.
  java.io.InvalidClassException(String, Throwable)
  19
  Report an InvalidClassException for the reason and cause specified.
  java.io.InvalidObjectException(String, Throwable)
  19
  Constructs an `InvalidObjectException` with the given reason and cause.
  java.io.ObjectStreamException(String, Throwable)
  19
  Create an ObjectStreamException with the specified message and cause.
  java.io.ObjectStreamException(Throwable)
  19
  Create an ObjectStreamException with the specified cause.
  java.lang.IndexOutOfBoundsException(long)
  16
  Constructs a new `IndexOutOfBoundsException` class with an argument indicating the illegal index.
  java.net.ServerSocket(SocketImpl)
  12
  Creates a server socket with a user-specified `SocketImpl`.
  java.net.SocketException(String, Throwable)
  19
  Constructs a new `SocketException` with the specified detail message and cause.
  java.net.SocketException(Throwable)
  19
  Constructs a new `SocketException` with the specified cause.
  java.security.InvalidParameterException(String, Throwable)
  20
  Constructs an `InvalidParameterException` with the specified detail message and cause.
  java.security.InvalidParameterException(Throwable)
  20
  Constructs an `InvalidParameterException` with the specified cause and a detail message of `(cause==null ? null : cause.toString())` (which typically contains the class and detail message of `cause`).
  java.text.CompactNumberFormat(String, DecimalFormatSymbols, String[], String)
  14
  Creates a `CompactNumberFormat` using the given decimal pattern, decimal format symbols, compact patterns, and plural rules.
  java.util.concurrent.ForkJoinWorkerThread(ThreadGroup, ForkJoinPool, boolean)
  19
  Creates a ForkJoinWorkerThread operating in the given thread group and pool, and with the given policy for preserving ThreadLocals.
  java.util.NoSuchElementException(String, Throwable)
  15
  Constructs a `NoSuchElementException` with the specified detail message and cause.
  java.util.NoSuchElementException(Throwable)
  15
  Constructs a `NoSuchElementException` with the specified cause.
  javax.net.ssl.SSLHandshakeException(String, Throwable)
  19
  Creates a `SSLHandshakeException` with the specified detail message and cause.
  javax.net.ssl.SSLKeyException(String, Throwable)
  19
  Creates a `SSLKeyException` with the specified detail message and cause.
  javax.net.ssl.SSLPeerUnverifiedException(String, Throwable)
  19
  Creates a `SSLPeerUnverifiedException` with the specified detail message and cause.
  javax.net.ssl.SSLProtocolException(String, Throwable)
  19
  Creates a `SSLProtocolException` with the specified detail message and cause.

- New Enum Constants
  Enum Constant
  Added in
  Description
  com.sun.source.doctree.DocTree.Kind.ESCAPE
  21
  Used for instances of `EscapeTree` representing some escaped documentation text.
  com.sun.source.doctree.DocTree.Kind.SNIPPET
  18
  Used for instances of `SnippetTree` representing an `@snippet` tag.
  com.sun.source.doctree.DocTree.Kind.SPEC
  20
  Used for instances of `SpecTree` representing an `@spec` tag.
  com.sun.source.doctree.DocTree.Kind.SYSTEM_PROPERTY
  12
  Used for instances of `SystemPropertyTree` representing an `@systemProperty` tag.
  com.sun.source.tree.Tree.Kind.ANY_PATTERNPREVIEW
  21
  Used for instances of `BindingPatternTree`.
  com.sun.source.tree.Tree.Kind.BINDING_PATTERN
  16
  Used for instances of `BindingPatternTree`.
  com.sun.source.tree.Tree.Kind.CONSTANT_CASE_LABEL
  21
  Used for instances of `ConstantCaseLabelTree`.
  com.sun.source.tree.Tree.Kind.DECONSTRUCTION_PATTERN
  21
  Used for instances of `DeconstructionPatternTree`.
  com.sun.source.tree.Tree.Kind.DEFAULT_CASE_LABEL
  21
  Used for instances of `DefaultCaseLabelTree`.
  com.sun.source.tree.Tree.Kind.PATTERN_CASE_LABEL
  21
  Used for instances of `PatternCaseLabelTree`.
  com.sun.source.tree.Tree.Kind.RECORD
  16
  Used for instances of `ClassTree` representing records.
  com.sun.source.tree.Tree.Kind.SWITCH_EXPRESSION
  12
  Used for instances of `SwitchExpressionTree`.
  com.sun.source.tree.Tree.Kind.YIELD
  13
  Used for instances of `YieldTree`.
  java.lang.annotation.ElementType.RECORD_COMPONENT
  16
  Record component
  java.lang.Character.UnicodeScript.CHORASMIAN
  15
  Unicode script "Chorasmian".
  java.lang.Character.UnicodeScript.CYPRO_MINOAN
  19
  Unicode script "Cypro Minoan".
  java.lang.Character.UnicodeScript.DIVES_AKURU
  15
  Unicode script "Dives Akuru".
  java.lang.Character.UnicodeScript.DOGRA
  12
  Unicode script "Dogra".
  java.lang.Character.UnicodeScript.ELYMAIC
  13
  Unicode script "Elymaic".
  java.lang.Character.UnicodeScript.GUNJALA_GONDI
  12
  Unicode script "Gunjala Gondi".
  java.lang.Character.UnicodeScript.HANIFI_ROHINGYA
  12
  Unicode script "Hanifi Rohingya".
  java.lang.Character.UnicodeScript.KAWI
  20
  Unicode script "Kawi".
  java.lang.Character.UnicodeScript.KHITAN_SMALL_SCRIPT
  15
  Unicode script "Khitan Small Script".
  java.lang.Character.UnicodeScript.MAKASAR
  12
  Unicode script "Makasar".
  java.lang.Character.UnicodeScript.MEDEFAIDRIN
  12
  Unicode script "Medefaidrin".
  java.lang.Character.UnicodeScript.NAG_MUNDARI
  20
  Unicode script "Nag Mundari".
  java.lang.Character.UnicodeScript.NANDINAGARI
  13
  Unicode script "Nandinagari".
  java.lang.Character.UnicodeScript.NYIAKENG_PUACHUE_HMONG
  13
  Unicode script "Nyiakeng Puachue Hmong".
  java.lang.Character.UnicodeScript.OLD_SOGDIAN
  12
  Unicode script "Old Sogdian".
  java.lang.Character.UnicodeScript.OLD_UYGHUR
  19
  Unicode script "Old Uyghur".
  java.lang.Character.UnicodeScript.SOGDIAN
  12
  Unicode script "Sogdian".
  java.lang.Character.UnicodeScript.TANGSA
  19
  Unicode script "Tangsa".
  java.lang.Character.UnicodeScript.TOTO
  19
  Unicode script "Toto".
  java.lang.Character.UnicodeScript.VITHKUQI
  19
  Unicode script "Vithkuqi".
  java.lang.Character.UnicodeScript.WANCHO
  13
  Unicode script "Wancho".
  java.lang.Character.UnicodeScript.YEZIDI
  15
  Unicode script "Yezidi".
  java.lang.reflect.ClassFileFormatVersion.RELEASE_21
  21
  The version introduced by the Java Platform, Standard Edition 21.
  java.net.StandardProtocolFamily.UNIX
  16
  Unix domain (Local) interprocess communication.
  javax.lang.model.element.ElementKind.BINDING_VARIABLE
  16
  A binding variable in a pattern.
  javax.lang.model.element.ElementKind.RECORD
  16
  A record class.
  javax.lang.model.element.ElementKind.RECORD_COMPONENT
  16
  A record component of a `record`.
  javax.lang.model.element.Modifier.NON_SEALED
  17
  The modifier `non-sealed`
  javax.lang.model.element.Modifier.SEALED
  17
  The modifier `sealed`
  javax.lang.model.SourceVersion.RELEASE_12
  12
  The version introduced by the Java Platform, Standard Edition 12.
  javax.lang.model.SourceVersion.RELEASE_13
  13
  The version introduced by the Java Platform, Standard Edition 13.
  javax.lang.model.SourceVersion.RELEASE_14
  14
  The version introduced by the Java Platform, Standard Edition 14.
  javax.lang.model.SourceVersion.RELEASE_15
  15
  The version introduced by the Java Platform, Standard Edition 15.
  javax.lang.model.SourceVersion.RELEASE_16
  16
  The version introduced by the Java Platform, Standard Edition 16.
  javax.lang.model.SourceVersion.RELEASE_17
  17
  The version introduced by the Java Platform, Standard Edition 17.
  javax.lang.model.SourceVersion.RELEASE_18
  18
  The version introduced by the Java Platform, Standard Edition 18.
  javax.lang.model.SourceVersion.RELEASE_19
  19
  The version introduced by the Java Platform, Standard Edition 19.
  javax.lang.model.SourceVersion.RELEASE_20
  20
  The version introduced by the Java Platform, Standard Edition 20.
  javax.lang.model.SourceVersion.RELEASE_21
  21
  The version introduced by the Java Platform, Standard Edition 21.
  jdk.jshell.Snippet.SubKind.RECORD_SUBKIND
  14
  A record declaration.