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import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class MenuDemo extends Applet implements ActionListener {
    Button button1, button2;
    MenuFrame menuWindow;
    
    public void init() {
        button1 = new Button("Show window");
        add(button1);
        button1.addActionListener(this);
        button2 = new Button("Hide window");
        add(button2);
        button2.addActionListener(this);
        
        menuWindow = new MenuFrame("Menu demo");
        menuWindow.setSize(100,100);
    }
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == button1) {
            menuWindow.setVisible(true);
        }
        if (e.getSource() == button2) {
            menuWindow.setVisible(false);
        }
    }
}
class MenuFrame extends Frame implements ActionListener {
    Menu menu1;
    MenuBar menuBar1;
    MenuItem menuItem1, menuItem2, menuItem3;
    TextField text1;
    
    MenuFrame(String title) {
        super(title);
        text1 = new TextField("");
        setLayout(new GridLayout(1, 1));
        add(text1);
        menuBar1 = new MenuBar();
        
        menu1 = new Menu("File");
               
        menuItem1 = new MenuItem("Hello"); 
        menu1.add(menuItem1);  
        menuItem1.addActionListener(this);
        
        menuItem2 = new MenuItem("from");
        menu1.add(menuItem2);
        menuItem2.addActionListener(this);
        
        menuItem3 = new MenuItem("Java");
        menu1.add(menuItem3);
        menuItem3.addActionListener(this);
        
        menuBar1.add(menu1);
        
        setMenuBar(menuBar1);
    }
    
    public void actionPerformed(ActionEvent event) {
        if (event.getSource() == menuItem1) {
            text1.setText("Hello");
        }
        if (event.getSource() == menuItem2) {
            text1.setText("from");
        }
        if (event.getSource() == menuItem3) {
            text1.setText("Java");
        }
    }
}



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