# Enum Class Future.State

java.lang.Object
java.lang.Enum<Future.State>
java.util.concurrent.Future.State

All Implemented Interfaces:
  `Serializable`, `Comparable<Future.State>`, `Constable`

Enclosing interface:
  `Future<V>`

public static enum Future.State extends Enum<Future.State>
Represents the computation state.

Since:
  19

- ## 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
  `CANCELLED`
  The task was cancelled.
  `FAILED`
  The task completed with an exception.
  `RUNNING`
  The task has not completed.
  `SUCCESS`
  The task completed with a result.

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static Future.State`
  `valueOf(String name)`
  Returns the enum constant of this class with the specified name.
  `static Future.State[]`
  `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

  - ### RUNNING

    public static final Future.State RUNNING
    The task has not completed.

  - ### SUCCESS

    public static final Future.State SUCCESS
    The task completed with a result.
    See Also:
      - `Future.resultNow()`

  - ### FAILED

    public static final Future.State FAILED
    The task completed with an exception.
    See Also:
      - `Future.exceptionNow()`

  - ### CANCELLED

    public static final Future.State CANCELLED
    The task was cancelled.
    See Also:
      - `Future.cancel(boolean)`

- ## Method Details

  - ### values

    public static Future.State[] 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 Future.State 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