25. Menu Events

• Menus provide single click interface to initiate user actions.

• JMenuItems generate corresponding ActionEvents.

• Menu clicks cause events to be generated.

• As with push buttons, program uses action listeners to hook each JMenuItem.

  
      mFileExit.addActionListener(mMenuFileExitListener);
  
  

  where mMenuFileExitListener is an object that extends javax.swing.AbstractAction class.

• The following example demonstrates FrameRadioButtons class with menus:

  • A9/application/FrameRadioButtons.java ( download ). The only working menu item in this application is File -> Exit.