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Package java.lang.ref

Core classes including wrappers for primitive types, classes, packages and class loaders, representations of the system, processes, threads and the core exception hierarchy.

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          Description

Class Summary
PhantomReference A phantom reference is useful, to get notified, when an object got finalized.
Reference This is the base class of all references.
ReferenceQueue This is the queue, where references can enqueue themselve on.
SoftReference A soft reference will be cleared, if the object is only softly reachable and the garbage collection needs more memory.
WeakReference A weak reference will be cleared, if the object is only weakly reachable.
 

Package java.lang.ref Description

Core classes including wrappers for primitive types, classes, packages and class loaders, representations of the system, processes, threads and the core exception hierarchy.