MenusPopupsDialogs

import java.awt.; import java.awt.event.; import java.applet.Applet;

public class MenuDemo extends Frame implements ActionListener { Menu menu; MenuBar menubar; MenuItem m1,m2,m3; Label label; MenuDemo(String title) { super(title); label=new Label("wc to RAT"); add(label);

    menubar=new MenuBar();

    menu=new Menu("File");

    m1=new MenuItem("Item1");
    menu.add(m1);
    m1.addActionListener(this);

    m2=new MenuItem("Item2");
    menu.add(m2);
    m2.addActionListener(this);

    m3=new MenuItem("Item3");
    menu.add(m3);
    m3.addActionListener(this);

    menubar.add(menu);

    setMenuBar(menubar);
    addWindowListener(new WindowAdapter()
            {
                public void windowClosing(WindowEvent e)
                {
                    System.exit(0);
                }
            });
    setSize(300,400);
}
public void actionPerformed(ActionEvent event)
{
    if(event.getSource()==m1)
    {
        label.setText("Item1 clicked");
    }
    else if(event.getSource()==m2)
    {
        label.setText("Item2 clicked");
    }
    else if(event.getSource()==m3)
    {
        label.setText("Item3 clicked");
    }
}
public static void main(String args[])
{
    MenuDemo md=new MenuDemo("Creating Menus:RAT");
    md.setVisible(true);
}

}