import java.awt.*; public class applet8 extends java.applet.Applet { public void paint (Graphics g) { int abscisse = 0; int B = 0; for (int i=0;i<5;i++) { g.setColor(new Color(0,0,B)); g.fillRect(abscisse,0,20,20); abscisse += 25; B += 51; }//for i } }