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>PhantomReference objects are used to detect referents which are no longer visible and are eligible to have their storage reclaimed.classSoftReference<T>SoftReference objects are used to detect referents which are no longer visible and who's memory is to be reclaimed.classWeakReference<T>WeakReference objects are used to detect referents which are no longer visible.Methods in java.lang.ref that return Reference Modifier and Type Method Description Reference<? extends T>ReferenceQueue. poll()Returns the next available reference from the queue if one is enqueued, null otherwise.Reference<? extends T>ReferenceQueue. remove()Return the next available enqueued reference on the queue, blocking indefinitely until one is available.Reference<? extends T>ReferenceQueue. remove(long timeout)Return the next available enqueued reference on the queue, blocking up to the time given until one is available.
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