import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Graphics2D;
import javax.swing.JOptionPane;


/**
   An applet that draws a checkerboard of two colors --
   one chosen by the user and one that is the complement
   of the first color.
*/


public class A7CheckerboardApplet extends Applet
{

   A7Checkerboard board;

   public A7CheckerboardApplet()                              {
      board = new A7Checkerboard(20,40,250);                  }
      

   public void paint(Graphics g)
   {
      // recover Graphics2D

      Graphics2D g2 = (Graphics2D)g;


      // construct a checkerboard and draw it

      board.draw(g2);

   }
}