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Java™ Platform Standard Ed. 6 |
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Packages that use Reference | |
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java.lang.ref | Provides reference-object classes, which support a limited degree of interaction with the garbage collector. |
Uses of Reference in java.lang.ref |
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Subclasses of Reference in java.lang.ref | |
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class |
PhantomReference<T>
Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed. |
class |
SoftReference<T>
Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand. |
class |
WeakReference<T>
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 | |
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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. |
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Java™ Platform Standard Ed. 6 |
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