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## java.util
Class EventObject

    java.lang.Object
      |
      +--java.util.EventObject

All Implemented Interfaces:
  Serializable

Direct Known Subclasses:
  AWTEvent, BeanContextEvent, CaretEvent, ChangeEvent, ConnectionEvent, DragGestureEvent, DragSourceEvent, DropTargetEvent, HandshakeCompletedEvent, HyperlinkEvent, LineEvent, ListDataEvent, ListSelectionEvent, MenuEvent, NamingEvent, NamingExceptionEvent, NodeChangeEvent, PopupMenuEvent, PreferenceChangeEvent, PrintEvent, PropertyChangeEvent, RowSetEvent, SSLSessionBindingEvent, TableColumnModelEvent, TableModelEvent, TreeExpansionEvent, TreeModelEvent, TreeSelectionEvent, UndoableEditEvent, UnsolicitedNotificationEvent

public class EventObject
extends Object
implements Serializable

The root class from which all event state objects shall be derived.

All Events are constructed with a reference to the object, the "source", that is logically deemed to be the object upon which the Event in question initially occurred upon.

Since:
  JDK1.1
See Also:
  Serialized Form

Field Summary
`protected Object` | `source` The object on which the Event initially occurred.

Constructor Summary
`EventObject(Object source)` Constructs a prototypical Event.

Method Summary
`Object` | `getSource()` The object on which the Event initially occurred.
`String` | `toString()` Returns a String representation of this EventObject.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Field Detail

### source

    protected transient Object source

  The object on which the Event initially occurred.

Constructor Detail

### EventObject

    public EventObject(Object source)

  Constructs a prototypical Event.

Parameters:
  `source` - The object on which the Event initially occurred.

Method Detail

### getSource

    public Object getSource()

  The object on which the Event initially occurred.

  Returns:
    The object on which the Event initially occurred.

### toString

    public String toString()

  Returns a String representation of this EventObject.

  Overrides:
    `toString` in class `Object`
  Returns:
    A a String representation of this EventObject.

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2002 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms.