## Uses of Interface
com.sun.jdi.ThreadGroupReference

Packages that use ThreadGroupReference
Package | Description
--- | ---
com.sun.jdi | This is the core package of the Java Debug Interface (JDI), it defines mirrors for values, types, and the target VirtualMachine itself - as well bootstrapping facilities.

### Uses of ThreadGroupReference in com.sun.jdi

Methods in com.sun.jdi that return ThreadGroupReference
Modifier and Type | Method and Description
--- | ---
`ThreadGroupReference` | ThreadGroupReference.`parent()` Returns the parent of this thread group.
`ThreadGroupReference` | ThreadReference.`threadGroup()` Returns this thread's thread group.

Methods in com.sun.jdi that return types with arguments of type ThreadGroupReference
Modifier and Type | Method and Description
--- | ---
`List<ThreadGroupReference>` | ThreadGroupReference.`threadGroups()` Returns a List containing each active `ThreadGroupReference` in this thread group.
`List<ThreadGroupReference>` | VirtualMachine.`topLevelThreadGroups()` Returns each thread group which does not have a parent.

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