## Uses of Class
java.lang.ThreadGroup

- Packages that use ThreadGroup
  Package | Description
  --- | ---
  java.lang | Provides classes that are fundamental to the design of the Java programming language.

- - ### Uses of ThreadGroup in java.lang

    Methods in java.lang that return ThreadGroup
    Modifier and Type | Method and Description
    --- | ---
    `ThreadGroup` | ThreadGroup.`getParent()` Returns the parent of this thread group.
    `ThreadGroup` | SecurityManager.`getThreadGroup()` Returns the thread group into which to instantiate any new thread being created at the time this is being called.
    `ThreadGroup` | Thread.`getThreadGroup()` Returns the thread group to which this thread belongs.

    Methods in java.lang with parameters of type ThreadGroup
    Modifier and Type | Method and Description
    --- | ---
    `void` | SecurityManager.`checkAccess(ThreadGroup g)` Throws a `SecurityException` if the calling thread is not allowed to modify the thread group argument.
    `int` | ThreadGroup.`enumerate(ThreadGroup[] list)` Copies into the specified array references to every active subgroup in this thread group and its subgroups.
    `int` | ThreadGroup.`enumerate(ThreadGroup[] list, boolean recurse)` Copies into the specified array references to every active subgroup in this thread group.
    `boolean` | ThreadGroup.`parentOf(ThreadGroup g)` Tests if this thread group is either the thread group argument or one of its ancestor thread groups.

    Constructors in java.lang with parameters of type ThreadGroup
    Constructor and Description
    `Thread(ThreadGroup group, Runnable target)` Allocates a new `Thread` object.
    `Thread(ThreadGroup group, Runnable target, String name)` Allocates a new `Thread` object so that it has `target` as its run object, has the specified `name` as its name, and belongs to the thread group referred to by `group`.
    `Thread(ThreadGroup group, Runnable target, String name, long stackSize)` Allocates a new `Thread` object so that it has `target` as its run object, has the specified `name` as its name, and belongs to the thread group referred to by `group`, and has the specified stack size.
    `Thread(ThreadGroup group, String name)` Allocates a new `Thread` object.
    `ThreadGroup(ThreadGroup parent, String name)` Creates a new thread group.

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