import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Menus extends JMenuBar implements ActionListener {

    public Menus() {
        //Create the menus and set a mnemonic for the edit menu.
        JMenu editMenu = new JMenu("Edit");
        editMenu.setMnemonic( 'E' );
        JMenu otherMenu = new JMenu("Other");
        JMenu subMenu = new JMenu("SubMenu");
        JMenu subMenu2 = new JMenu("SubMenu2");

        //  Assemble the edit menu with keyboard accelerators and mnemonics.
        JMenuItem item = new JMenuItem( "Cut", 'C' );
        // Create and set the keyboard accelerator.
        item.setAccelerator(KeyStroke.getKeyStroke( "control X" ) );
        item.addActionListener(this);
        //Add the item to the menu.
        editMenu.add(item);

        item = new JMenuItem( "Copy", 'O' );
        // Create and set the keyboard accelerator.
        item.setAccelerator(KeyStroke.getKeyStroke( 'C',
                             java.awt.Event.CTRL_MASK, false));
        item.addActionListener(this);
        //Add the item to the menu.
        editMenu.add(item);

        item = new JMenuItem( "Paste", 'P' );
        // Create and set the keyboard accelerator.
        item.setAccelerator(KeyStroke.getKeyStroke( 'V',
                             java.awt.Event.CTRL_MASK, false));
        item.addActionListener(this);
        //Add the item to the menu.
        editMenu.add(item);

        //  Assemble the submenus of the Other Menu
        subMenu2.add(item = new JMenuItem("Extra 2"));
        item.addActionListener(this);
        subMenu.add(item = new JMenuItem("Extra 1"));
        item.addActionListener(this);
        subMenu.add(subMenu2);

        //  Assemble the Other Menu itself
        otherMenu.add(subMenu);
 
        //A checkbox menu item.
        otherMenu.add(item = new JCheckBoxMenuItem("Check Me"));
        item.addActionListener(this);

        // Place separator ( a line ) in the menu.
        otherMenu.addSeparator();

        //Make a group of two radiobutton items.
        ButtonGroup buttonGroup = new ButtonGroup();
        otherMenu.add(item = new JRadioButtonMenuItem("Radio 1"));
        item.addActionListener(this);
        buttonGroup.add(item);
        otherMenu.add(item = new JRadioButtonMenuItem("Radio 2"));
        item.addActionListener(this);
        buttonGroup.add(item);
        otherMenu.addSeparator();

        //This menu item has an icon.
        otherMenu.add(item = new JMenuItem("Potted Plant",
                                    new ImageIcon("plant.gif")));
        item.addActionListener(this);

        //  Finally, add all the menus to the menubar
        add(editMenu);
        add(otherMenu);
    }

    public void actionPerformed(ActionEvent event) {
        System.out.println("Menu item [" + event.getActionCommand() +
                           "] was pressed.");
    }

    public static void main(String s[]) {
        JFrame frame = new JFrame("Simple Menu Example");
        frame.addWindowListener(new WindowAdapter() {
          public void windowClosing(WindowEvent e) {  
            System.exit(0);
          }
        });

        //Place the menubar in the frames layeredPane.
        frame.setJMenuBar(new Menus());

        frame.setSize( 200, 200 );
        frame.setVisible(true);
    }
}