PPT Slide
import java.applet.Applet;
public class DrawApplet extends Applet {
private ControlPanel controls;
private DrawCanvas canvas;
this.setLayout(new BorderLayout());
canvas = new DrawCanvas( (int) (getSize().width *.75),
(int) (getSize().height *.75) );
controls = new ControlPanel();
/* introduce the components to each other */
canvas.setControls(controls);
controls.setCanvas(canvas);
canvas.setColor(Color.red);
add(canvas, BorderLayout.CENTER);
add(controls, BorderLayout.SOUTH);