import java.applet.*;

import java.awt.*;

import java.awt.event.*;

/*

<applet code = "ButtonDemo" width = 500 height = 300>

</applet>

*/

public class ButtonDemo extends Applet implements ActionListener

{

Button b1,b2,b3;

String msg = " ";

public void init()

{

b1 = new Button("RED");

b2 = new Button("GREEN");

b3 = new Button("BLUE");

add(b1);

add(b2);

add(b3);

b1.addActionListener(this);

b2.addActionListener(this);

b3.addActionListener(this);

}

public void actionPerformed(ActionEvent ae)

{

String s = ae.getActionCommand();

if(s.equals("RED"))

{

setBackground(Color.red);

msg = "I pressed on red color";

}

else if(s.equals("GREEN"))

{

setBackground(Color.green);

msg = "I pressed on green color";

}

else

{

if(s.equals("BLUE"))

{

setBackground(Color.blue);

msg = "I pressed on blue color";

}

}

repaint();

}

public void paint (Graphics g)

{

g.drawString(msg,0,100);

}

}