Uses of Class
java.lang.ref.Reference

Packages that use Reference
Package
Description
Provides reference-object classes, which support a limited degree of interaction with the garbage collector.
  • Uses of Reference in java.lang.ref

    Subclasses of Reference in java.lang.ref
    Modifier and Type
    Class
    Description
    class 
    Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed.
    class 
    Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand.
    class 
    Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed.
    Methods in java.lang.ref that return Reference
    Modifier and Type
    Method
    Description
    Reference<? extends T>
    ReferenceQueue.poll()
    Polls this queue to see if a reference object is available.
    Reference<? extends T>
    ReferenceQueue.remove()
    Removes the next reference object in this queue, blocking until one becomes available.
    Reference<? extends T>
    ReferenceQueue.remove​(long timeout)
    Removes the next reference object in this queue, blocking until either one becomes available or the given timeout period expires.