import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;

public class sample01 extends Applet implements ActionListener{
    int w, h;
    String tmp_str ; 
    public void init() {
        w = getWidth();
        h = getHeight();
        setBackground(Color.white);
        Button Button_0_ON  = (Button)add(new Button("S0 ON"));
        Button Button_1_ON  = (Button)add(new Button("S1 ON"));
        Button Button_2_ON  = (Button)add(new Button("S2 ON"));
        Button Button_0_OFF = (Button)add(new Button("S0 OFF"));
        Button Button_1_OFF = (Button)add(new Button("S1 OFF"));
        Button Button_2_OFF = (Button)add(new Button("S2 OFF"));
        Button_0_ON.addActionListener(this);
        Button_1_ON.addActionListener(this);
        Button_2_ON.addActionListener(this);
        Button_0_OFF.addActionListener(this);
        Button_1_OFF.addActionListener(this);
        Button_2_OFF.addActionListener(this);
    }
    public void actionPerformed(ActionEvent e) {
        if(e.getActionCommand() == "S0 ON") {
            tmp_str = "Switch 0 ON";
        }else if(e.getActionCommand() == "S1 ON") {
            tmp_str = "Switch 1 ON";
        }else if(e.getActionCommand() == "S2 ON") {
            tmp_str = "Switch 2 ON";
        }else if(e.getActionCommand() == "S0 OFF") {
            tmp_str = "Switch 0 OFF";
        }else if(e.getActionCommand() == "S1 OFF") {
            tmp_str = "Switch 1 OFF";
        }else if(e.getActionCommand() == "S2 OFF") {
            tmp_str = "Switch 2 OFF";
        }
        repaint();
    }

    public void paint(Graphics g) {
        g.drawString(tmp_str, 10,  w/2 );
    }
}