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java.lang.Objectjava.lang.ref.Reference
java.lang.ref.WeakReference
This class provides support for weak references. Weak references are most often used to implement canonicalizing mappings. Suppose that the garbage collector determines at a certain point in time that an object is weakly reachable. At that time it will atomically clear all the weak references to that object and all weak references to any other weakly- reachable objects from which that object is reachable through a chain of strong and weak references.
Constructor Summary | |
WeakReference(Object referent)
Creates a new weak reference that refers to the given object. |
Method Summary | |
void |
clear()
Clears this reference object. |
Object |
get()
Returns this reference object's referent. |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public WeakReference(Object referent)
Method Detail |
public Object get()
null
.
get
in class Reference
null
if this reference object has been clearedpublic void clear()
clear
in class Reference
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Copyright © 2006 BenQ Mobile GmbH & Co. OHG or respective copyright owner. All Rights Reserved. BenQ Corp. is a trademark licensee of Siemens AG. |
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