# Uses of Package
java.util.concurrent.atomic

Packages that use java.util.concurrent.atomic
Package
Description
java.util.concurrent.atomic
A small toolkit of classes that support lock-free thread-safe programming on single variables.

- Classes in java.util.concurrent.atomic used by java.util.concurrent.atomic
  Class
  Description
  AtomicIntegerFieldUpdater
  A reflection-based utility that enables atomic updates to designated non-static `volatile int` fields of designated classes, providing a subset of the functionality of class `VarHandle` that should be used instead.
  AtomicLongFieldUpdater
  A reflection-based utility that enables atomic updates to designated non-static `volatile long` fields of designated classes, providing a subset of the functionality of class `VarHandle` that should be used instead.
  AtomicReferenceFieldUpdater
  A reflection-based utility that enables atomic updates to designated non-static `volatile` reference fields of designated classes, providing a subset of the functionality of class `VarHandle` that should be used instead.