Class Reference

  extended by java.lang.ref.Reference
Direct Known Subclasses:

public abstract class Reference
extends Object

Abstract base class for reference objects. This class defines the operations common to all reference objects. Because reference objects are implemented in close cooperation with the garbage collector, this class may not be subclassed directly.

BlackBerry API 4.0.0, JDK1.2, CLDC 1.1

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

Method Detail


public Object get()
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.

The object to which this reference refers, or null if this reference object has been cleared
BlackBerry API 4.0.0


public void clear()
Clears this reference object.

BlackBerry API 4.0.0

Copyright 1999-2010 Research In Motion Limited. 295 Phillip Street, Waterloo, Ontario, Canada, N2L 3W8. All Rights Reserved.
Copyright 1993-2003 Sun Microsystems, Inc. 901 San Antonio Road, Palo Alto, California, 94303, U.S.A. All Rights Reserved.
Copyright 2002-2003 Nokia Corporation All Rights Reserved.
Java is a trademark of Sun Microsystems, Inc.