Module java.base
Package java.time.format

# Enum Class SignStyle

java.lang.Object
java.lang.Enum<SignStyle>
java.time.format.SignStyle

All Implemented Interfaces:
  `Serializable`, `Comparable<SignStyle>`, `Constable`

public enum SignStyle extends Enum<SignStyle>
Enumeration of ways to handle the positive/negative sign.

The formatting engine allows the positive and negative signs of numbers to be controlled using this enum. See `DateTimeFormatterBuilder` for usage.

Implementation Requirements:
  This is an immutable and thread-safe enum.
Since:
  1.8

- ## Nested Class Summary

  ## Nested classes/interfaces declared in class java.lang.Enum

  `Enum.EnumDesc<E extends Enum<E>>`

- ## Enum Constant Summary

  Enum Constants
  Enum Constant
  Description
  `ALWAYS`
  Style to always output the sign, where zero will output '+'.
  `EXCEEDS_PAD`
  Style to always output the sign if the value exceeds the pad width.
  `NEVER`
  Style to never output sign, only outputting the absolute value.
  `NORMAL`
  Style to output the sign only if the value is negative.
  `NOT_NEGATIVE`
  Style to block negative values, throwing an exception on printing.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static SignStyle`
  `valueOf(String name)`
  Returns the enum constant of this class with the specified name.
  `static SignStyle[]`
  `values()`
  Returns an array containing the constants of this enum class, in the order they are declared.

  ### Methods declared in class java.lang.Enum

  `clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`

  ### Methods declared in class java.lang.Object

  `getClass, notify, notifyAll, wait, wait, wait`

- ## Enum Constant Details

  - ### NORMAL

    public static final SignStyle NORMAL
    Style to output the sign only if the value is negative.

    In strict parsing, the negative sign will be accepted and the positive sign rejected. In lenient parsing, any sign will be accepted.

  - ### ALWAYS

    public static final SignStyle ALWAYS
    Style to always output the sign, where zero will output '+'.

    In strict parsing, the absence of a sign will be rejected. In lenient parsing, any sign will be accepted, with the absence of a sign treated as a positive number.

  - ### NEVER

    public static final SignStyle NEVER
    Style to never output sign, only outputting the absolute value.

    In strict parsing, any sign will be rejected. In lenient parsing, any sign will be accepted unless the width is fixed.

  - ### NOT_NEGATIVE

    public static final SignStyle NOT_NEGATIVE
    Style to block negative values, throwing an exception on printing.

    In strict parsing, any sign will be rejected. In lenient parsing, any sign will be accepted unless the width is fixed.

  - ### EXCEEDS_PAD

    public static final SignStyle EXCEEDS_PAD
    Style to always output the sign if the value exceeds the pad width. A negative value will always output the '-' sign.

    In strict parsing, the sign will be rejected unless the pad width is exceeded. In lenient parsing, any sign will be accepted, with the absence of a sign treated as a positive number.

- ## Method Details

  - ### values

    public static SignStyle[] values()
    Returns an array containing the constants of this enum class, in the order they are declared.
    Returns:
      an array containing the constants of this enum class, in the order they are declared

  - ### valueOf

    public static SignStyle valueOf(String name)
    Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)
    Parameters:
      `name` - the name of the enum constant to be returned.
    Returns:
      the enum constant with the specified name
    Throws:
      `IllegalArgumentException` - if this enum class has no constant with the specified name
      `NullPointerException` - if the argument is null