//cd c:\HPBasic\Toppage-sample3\Applet
//javac Koma.java
//set CLASSPATH=.	
//appletviewer Koma.java
//appletviewer Koma.html

import java.applet.Applet;
import java.awt.Graphics;
import java.awt.Color;

/*
    <applet code="Koma.class" width=300 height=300>
    </applet>
*/

public class Koma extends Applet {
   public void paint(Graphics g) {  
      Color[] colors = {Color.magenta, Color.blue, Color.cyan,Color.green,
           Color.yellow,Color.red,Color.white,Color.black};
      int x0 = 20;
      int y0 = 20;
      int width = 300;
      int height = 300;
      for (int i=0; i < colors.length; i++) {
          width -= 30;
          height -= 30; 
          g.setColor(colors[i]);
          g.fillOval(x0,y0,width,height); //circle
      }
   }
}

/* 
      円の中心を求めないと虹にはならないがコマには見える?
*/