Demonstrating the MenuListener

import javax.swing.ButtonGroup;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.event.MenuEvent;
import javax.swing.event.MenuListener;

public class MenuTest extends JFrame {
  public MenuTest() {
    super();

    MenuListener listener = new MenuListener() {
      public void menuCanceled(MenuEvent e) {
        dumpInfo("Canceled", e);
      }

      public void menuDeselected(MenuEvent e) {
        dumpInfo("Deselected", e);
      }

      public void menuSelected(MenuEvent e) {
        dumpInfo("Selected", e);
      }

      private void dumpInfo(String s, MenuEvent e) {
        JMenu menu = (JMenu) e.getSource();
        System.out.println(s + ": " + menu.getText());
      }
    };

    JMenu fileMenu = new JMenu("File");
    fileMenu.addMenuListener(listener);
    fileMenu.add(new JMenuItem("Open"));
    fileMenu.add(new JMenuItem("Close"));
    fileMenu.add(new JMenuItem("Exit"));
    JMenu helpMenu = new JMenu("Help");
    helpMenu.addMenuListener(listener);
    helpMenu.add(new JMenuItem("About MenuTest"));
    helpMenu.add(new JMenuItem("Class Hierarchy"));
    helpMenu.addSeparator();
    helpMenu.add(new JCheckBoxMenuItem("Balloon Help"));
    JMenu subMenu = new JMenu("Categories");
    subMenu.addMenuListener(listener);
    JRadioButtonMenuItem rb;
    ButtonGroup group = new ButtonGroup();
    subMenu.add(rb = new JRadioButtonMenuItem("A Little Help", true));
    group.add(rb);
    subMenu.add(rb = new JRadioButtonMenuItem("A Lot of Help"));
    group.add(rb);
    helpMenu.add(subMenu);
    JMenuBar mb = new JMenuBar();
    mb.add(fileMenu);
    mb.add(helpMenu);
    setJMenuBar(mb);
  }

  public static void main(String args[]) {
    JFrame frame = new MenuTest();
    frame.setSize(300, 300);
    frame.show();
  }
}

1.	Demonstrating the WindowListener with a WindowAdapter
2.	Demonstrating the ActionListener
3.	Demonstrating the AdjustmentListener
4.	Demonstrating the AncestorListener
5.	Demonstrating the ComponentListener
6.	Demonstrating the ContainerListener
7.	Demonstrating the FocusListener
8.	Demonstrating the HyperlinkListener
9.	Demonstrating the InternalFrameListener
10.	Demonstrating the ItemListener
11.	Demonstrating the KeyListener
12.	Demonstrating the MouseListener and MouseMotionListener
13.	Demonstrating the MouseWheelListener
14.	Demonstrating the PopupMenuListener
15.	Demonstrating the WindowListener
16.	Responding to Keystrokes

Demonstrating the MenuListener : Various Event Listener « Swing JFC « Java

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