import java.applet.*;
import java.awt.*;
import java.awt.event.*;

// note this is not the recommended way
// create an inner class which implements ActionListener

public class Button11 extends Applet implements ActionListener
{

   Color textColor;
   Font  textFont;

   public void init () 
   {
     setBackground (Color.lightGray);
     textColor = Color.red;
     textFont = new Font ("Serif", Font.BOLD, 24);
     Button btn = new Button ("Click");
     add (btn);
     btn.addActionListener (this);
   }

   public void paint (Graphics g)
   {
     g.setColor (textColor);
     g.setFont  (textFont);
     g.drawString ("Hello World!", 30, 60);
   }

   public void actionPerformed (ActionEvent ae)
   {
     System.out.println ("hi " + textColor);
     if (textColor == Color.red)
       textColor = Color.green;
     else if (textColor == Color.green)
       textColor = Color.blue;
     else if (textColor == Color.blue)
       textColor = Color.red;
     repaint ();
   }
}