import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
public class fullmenu extends Applet implements ActionListener
{
     Button button1,button2;
     MenuFrame fullmenuWindow;

     public void init(){
             button1=new Button("Show full menu window");
             add(button1);
             button1.addActionListener(this);

             button2=new Button("Hide full menu window");
             add(button2);
             button2.addActionListener(this);

             fullmenuWindow=new MenuFrame("Full menus");
             fullmenuWindow.setSize(100,100);
}
public void actionPerformed(ActionEvent event)
{
     if(event.getSource()==button1)
     {
        fullmenuWindow.setVisible(true);
     }
     if(event.getSource()==button2)
     {
        fullmenuWindow.setVisible(false);
     }
}
}
class MenuFrame extends Frame implements ActionListener
{
      Menu Menu1,SubMenu1;
      MenuBar Menubar1;
      TextField text1;
      MenuItem menuitem1,menuitem2,menuitem4;
      CheckboxMenuItem menuitem3;

      MenuFrame(String title){
             super(title);
             text1=new TextField("Full menu");
             setLayout(new GridLayout(1,1));
             add(text1);
             Menubar1=new MenuBar();
             Menu1=new Menu("File");
            
             menuitem1=new MenuItem("Item1");
             menuitem1.addActionListener(this);
             Menu1.add(menuitem1);
    
             menuitem2=new MenuItem("Item2");
             menuitem2.addActionListener(this);
             Menu1.add(menuitem2);

             Menu1.addSeparator();

             menuitem3=new CheckboxMenuItem("Check Item");
             menuitem3.addActionListener(this);
             Menu1.add(menuitem3);

             Menu1.addSeparator();

             SubMenu1=new Menu("Sub menus");
             SubMenu1.add(new MenuItem("Hello"));
             SubMenu1.add(new MenuItem("from"));
             SubMenu1.add(new MenuItem("java"));

             Menu1.add(SubMenu1);
             Menubar1.add(Menu1);
             setMenuBar(Menubar1);

             Menu1.addSeparator();

             menuitem4=new MenuItem("Exit");
             menuitem4.addActionListener(this);
             Menu1.add(menuitem4);
}
public void actionPerformed(ActionEvent event)
{
           if(event.getSource()==menuitem1)
           {
              text1.setText("Item1");
           }
           if(event.getSource()==menuitem2)
           {
              menuitem2.setEnabled(false);
              text1.setText("Item2");
           }
           if(event.getSource()==menuitem3)
           {
              ((CheckboxMenuItem)event.getSource()).setState(true);
           }
           if(event.getSource()==menuitem4)
           {
                setVisible(false);
}
}
}