import java.awt.*; public class applet9 extends java.applet.Applet { public void paint (Graphics g) { int abscissa = 0; for (int R=0;R<256;R+=51) { for (int G=0;G<256;G+=51) { for (int B=0;B<256;B+=51) { g.setColor(new Color(R,G,B)); g.fillRect(abscissa,0,10,10); abscissa+=12; }//for B }//for G }//for R }//paint }