# Class ChangeEvent

java.lang.Object
java.util.EventObject
javax.swing.event.ChangeEvent

All Implemented Interfaces:
  `Serializable`

public class ChangeEvent extends EventObject
ChangeEvent is used to notify interested parties that state has changed in the event source.

Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans has been added to the `java.beans` package. Please see `XMLEncoder`.

- ## Field Summary

  ### Fields declared in class java.util.EventObject

  `source`

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `ChangeEvent(Object source)`
  Constructs a ChangeEvent object.

- ## Method Summary

  ### Methods declared in class java.util.EventObject

  `getSource, toString`

  ### Methods declared in class java.lang.Object

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

- ## Constructor Details

  - ### ChangeEvent

    public ChangeEvent(Object source)
    Constructs a ChangeEvent object.
    Parameters:
      `source` - the Object that is the source of the event (typically `this`)