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## java.lang.ref
Class Reference

    java.lang.Object
      java.lang.ref.Reference

Direct Known Subclasses:
  WeakReference

    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.

Since:
  JDK1.2, CLDC 1.1
Version:
  12/19/01 (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

### clear

    public void clear()

  Clears this reference object.

### get

    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`.

  Returns:
    The object to which this reference refers, or `null` if this reference object has been cleared

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