AWT Event Hierarchy

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The AWT Event classes and related interfaces form an inheritance hierarchy. Below is the inheritance hiearchy for Java 1.5.0.

Note that there are a few event classes and their associated listener interfaces that we will not be talking about; we will concentrate on the most commonly used events.

Class Hierarchy

java.lang.Object
- java.awt.event.ComponentAdapter (implements java.awt.event.ComponentListener)
- java.awt.event.ContainerAdapter (implements java.awt.event.ContainerListener)
- java.util.EventListenerProxy (implements java.util.EventListener)
  - java.awt.event.AWTEventListenerProxy (implements java.awt.event.AWTEventListener)
- java.util.EventObject (implements java.io.Serializable)
  - java.awt.AWTEvent
    - java.awt.event.ActionEvent
    - java.awt.event.AdjustmentEvent
    - java.awt.event.ComponentEvent
      - java.awt.event.ContainerEvent
      - java.awt.event.FocusEvent
      - java.awt.event.InputEvent
        
        java.awt.event.KeyEvent
        
        java.awt.event.MouseEvent
        
        java.awt.event.MouseWheelEvent
      - java.awt.event.PaintEvent
      - java.awt.event.WindowEvent
    - java.awt.event.HierarchyEvent
    - java.awt.event.InputMethodEvent
    - java.awt.event.InvocationEvent (implements java.awt.ActiveEvent)
    - java.awt.event.ItemEvent
    - java.awt.event.TextEvent
- java.awt.event.FocusAdapter (implements java.awt.event.FocusListener)
- java.awt.event.HierarchyBoundsAdapter (implements java.awt.event.HierarchyBoundsListener)
- java.awt.event.KeyAdapter (implements java.awt.event.KeyListener)
- java.awt.event.MouseAdapter (implements java.awt.event.MouseListener)
- java.awt.event.MouseMotionAdapter (implements java.awt.event.MouseMotionListener)
- java.awt.event.WindowAdapter (implements java.awt.event.WindowFocusListener, java.awt.event.WindowListener, java.awt.event.WindowStateListener)

Interface Hierarchy

java.util.EventListener
- java.awt.event.ActionListener
- java.awt.event.AdjustmentListener
- java.awt.event.AWTEventListener
- java.awt.event.ComponentListener
- java.awt.event.ContainerListener
- java.awt.event.FocusListener
- java.awt.event.HierarchyBoundsListener
- java.awt.event.HierarchyListener
- java.awt.event.InputMethodListener
- java.awt.event.ItemListener
- java.awt.event.KeyListener
- java.awt.event.MouseListener
- java.awt.event.MouseMotionListener
- java.awt.event.MouseWheelListener
- java.awt.event.TextListener
- java.awt.event.WindowFocusListener
- java.awt.event.WindowListener
- java.awt.event.WindowStateListener

This page was last modified on 02 October, 2007