Class Reference

java.lang.Object
java.lang.ref.Reference
Direct Known Subclasses:
WeakReference
public abstract class Reference extends java.lang.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. Since: JDK1.2, CLDC 1.1

  • Constructor Summary

    Constructors
    Constructor
    Description
    Reference()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    clear()
    Clears this reference object.
    java.lang.Object
    get()
    Returns this reference object's referent.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • Reference

      public Reference()

  • Method Details

    • clear

      public void clear()
      Clears this reference object.

    • get

      public java.lang.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.