## 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` | Thread.`getThreadGroup()` Returns the thread group to which this thread belongs.
    `ThreadGroup` | SecurityManager.`getThreadGroup()` Returns the thread group into which to instantiate any new thread being created at the time this is being called.

    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.

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2014, Oracle and/or its affiliates. All rights reserved.