public class MyList extends Component {   // a class that sends ItemEvents
  // this will be the head of a linked list of AWTEventMulticaster objects
  protected ItemListener listener = null;
  public void addItemListener(ItemListener l) {      // add a listener
    listener = AWTEventMulticaster.add(listener, l);
  }
  public void removeItemListener(ItemListener l) {   // remove a listener
    listener = AWTEventMulticaster.remove(listener, l);
  }
  protected void fireItemEvent(ItemEvent e) {        // notify all listeners
    if (listener != null) listener.itemStateChanged(e);
  }
  // The rest of the class goes here
}

public class AWTEvent Multicaster  extends Object 
                                   implements ComponentListener, ContainerListener, FocusListener, KeyListener, MouseListener, MouseMotionListener, WindowListener, ActionListener,ItemListener, AdjustmentListener, TextListener {
    // Protected Constructor
            protected AWTEventMulticaster(EventListener a, EventListener b);
    // Protected Instance Variables
            protected EventListener a;
            protected EventListener b;
    // Class Methods
            public static ComponentListener add(ComponentListener a, ComponentListener b);
            public static ContainerListener add(ContainerListener a, ContainerListener b);
            public static FocusListener add(FocusListener a, FocusListener b);
            public static KeyListener add(KeyListener a, KeyListener b);
            public static MouseListener add(MouseListener a, MouseListener b);
            public static MouseMotionListener add(MouseMotionListener a, MouseMotionListener b);
            public static WindowListener add(WindowListener a, WindowListener b);
            public static ActionListener add(ActionListener a, ActionListener b);
            public static ItemListener add(ItemListener a, ItemListener b);
            public static AdjustmentListener add(AdjustmentListener a, AdjustmentListener b);
            public static TextListener add(TextListener a, TextListener b);
            protected static EventListener addInternal(EventListener a, EventListener b);
            public static ComponentListener remove(ComponentListener l, ComponentListener oldl);
            public static ContainerListener remove(ContainerListener l, ContainerListener oldl);
            public static FocusListener remove(FocusListener l, FocusListener oldl);
            public static KeyListener remove(KeyListener l, KeyListener oldl);
            public static MouseListener remove(MouseListener l, MouseListener oldl);
            public static MouseMotionListener remove(MouseMotionListener l, MouseMotionListener oldl);
            public static WindowListener remove(WindowListener l, WindowListener oldl);
            public static ActionListener remove(ActionListener l, ActionListener oldl);
            public static ItemListener remove(ItemListener l, ItemListener oldl);
            public static AdjustmentListener remove(AdjustmentListener l, AdjustmentListener oldl);
            public static TextListener remove(TextListener l, TextListener oldl);
            protected static EventListener removeInternal(EventListener l, EventListener oldl);
            protected static void save(ObjectOutputStream s, String k, EventListener l) throws IOException;
    // Public Instance Methods
            public void actionPerformed(ActionEvent e);  // From ActionListener
            public void adjustmentValueChanged(AdjustmentEvent e);  // From AdjustmentListener
            public void componentAdded(ContainerEvent e);  // From ContainerListener
            public void componentHidden(ComponentEvent e);  // From ComponentListener
            public void componentMoved(ComponentEvent e);  // From ComponentListener
            public void componentRemoved(ContainerEvent e);  // From ContainerListener
            public void componentResized(ComponentEvent e);  // From ComponentListener
            public void componentShown(ComponentEvent e);  // From ComponentListener
            public void focusGained(FocusEvent e);  // From FocusListener
            public void focusLost(FocusEvent e);  // From FocusListener
            public void itemStateChanged(ItemEvent e);  // From ItemListener
            public void keyPressed(KeyEvent e);  // From KeyListener
            public void keyReleased(KeyEvent e);  // From KeyListener
            public void keyTyped(KeyEvent e);  // From KeyListener
            public void mouseClicked(MouseEvent e);  // From MouseListener
            public void mouseDragged(MouseEvent e);  // From MouseMotionListener
            public void mouseEntered(MouseEvent e);  // From MouseListener
            public void mouseExited(MouseEvent e);  // From MouseListener
            public void mouseMoved(MouseEvent e);  // From MouseMotionListener
            public void mousePressed(MouseEvent e);  // From MouseListener
            public void mouseReleased(MouseEvent e);  // From MouseListener
            public void textValueChanged(TextEvent e);  // From TextListener
            public void windowActivated(WindowEvent e);  // From WindowListener
            public void windowClosed(WindowEvent e);  // From WindowListener
            public void windowClosing(WindowEvent e);  // From WindowListener
            public void windowDeactivated(WindowEvent e);  // From WindowListener
            public void windowDeiconified(WindowEvent e);  // From WindowListener
            public void windowIconified(WindowEvent e);  // From WindowListener
            public void windowOpened(WindowEvent e);  // From WindowListener
    // Protected Instance Methods
            protected EventListener remove(EventListener oldl);
            protected void saveInternal(ObjectOutputStream s, String k) throws IOException;
}