Uses of Class java.util.concurrent.Phaser (Java SE 9 & JDK 9 )

## Uses of Class
java.util.concurrent.Phaser

- Packages that use Phaser
  Package | Description
  --- | ---
  java.util.concurrent | Utility classes commonly useful in concurrent programming.

- - ### Uses of Phaser in java.util.concurrent

    Methods in java.util.concurrent that return Phaser
    Modifier and Type | Method | Description
    --- | --- | ---
    `Phaser` | Phaser.`getParent​()` | Returns the parent of this phaser, or `null` if none.
    `Phaser` | Phaser.`getRoot​()` | Returns the root ancestor of this phaser, which is the same as this phaser if it has no parent.

    Constructors in java.util.concurrent with parameters of type Phaser
    Constructor | Description
    --- | ---
    `Phaser​(Phaser parent)` | Equivalent to `Phaser(parent, 0)`.
    `Phaser​(Phaser parent, int parties)` | Creates a new phaser with the given parent and number of registered unarrived parties.