import java.awt.*; public class apleto9 extends java.applet.Applet { public void paint (Graphics g) { int absciso = 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(absciso,0,10,10); absciso+=12; }//for B }//for G }//for R }//paint }