java.lang.ref
Interfaces
Cleanable |
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Classes
Cleaner |
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PhantomReference |
Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed. |
Reference |
Abstract base class for reference objects. |
ReferenceQueue |
Reference queues, to which registered reference objects are appended by the garbage collector after the appropriate reachability changes are detected. |
SoftReference |
Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand. |
WeakReference |
Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed. |