Uses of Class
java.lang.ref.Reference
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Packages that use Reference Package Description java.lang.ref Provides reference-object classes, which support a limited degree of interaction with the garbage collector. -
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Uses of Reference in java.lang.ref
Subclasses of Reference in java.lang.ref Modifier and Type Class Description classPhantomReference<T>Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed.classSoftReference<T>Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand.classWeakReference<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 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.
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