import java.awt.*;
import java.awt.event.*;
import java.applet.*;
/*
< applet code="Applet3" width=250 height=150 >
< /applet>
*/
public class Applet3 extends Applet implements ActionListener
{
    String msg = "";
    Button yes , no , maybe;
    public void init()
    {
        yes = new Button("Yes"); 
        no = new Button("No");
        maybe = new Button("Undecided");

        add(yes);
        add(no); 
        add(maybe);
        
        yes.addActionListener(this);
        no.addActionListener(this); 
        maybe.addActionListener(this);
    }
    public void actionPerformed(ActionEvent ae)
    {
        String str = ae.getActionCommand(); 
        if(str.equals("Yes"))
        {
            msg = "You Pressed Yes.";
        } 
        else if(str.equals("No")) 
        {
            msg = "You Pressed No.";
        }
        else 
        {
            msg = "You Pressed Undecided.";
        } 
        repaint(); 
    }
    public void paint(Graphics g)
    {
        g.drawString(msg, 6, 100 ); 
    }
}                                                           

Output: