WeakReference JDK 1.6)

Description

public class WeakReference

Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed.

See also:

Constructors

public WeakReference ( T referent)

Creates a new weak reference that refers to the given object.

public WeakReference ( T referent, ReferenceQueue<Object> q)

Creates a new weak reference that refers to the given object and is registered with the given queue.

Methods

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public void clear () [Inherited From Reference]

Clears this reference object.

public boolean enqueue () [Inherited From Reference]

Adds this reference object to the queue with which it is registered, if any.

public T get () [Inherited From Reference]

Returns this reference object's referent.

Returns this reference object's referent. If this reference object has
been cleared, either by the program or by the garbage collector, then
this method returns null.
Returns: The object to which this reference refers, or null if this reference object has been cleared

public boolean isEnqueued () [Inherited From Reference]

Tells whether or not this reference object has been enqueued, either by the program or by the garbage collector.

Tells whether or not this reference object has been enqueued, either by
the program or by the garbage collector. If this reference object was
not registered with a queue when it was created, then this method will
always return false.
Returns: true if and only if this reference object has been enqueued