lab7b.java

double link list code

import java.awt.*;
import java.applet.Applet;


public class lab7b extends Applet    {
	  public void paint(Graphics g){

		  int i=1;
		  while(i==1)
		  paintt(g);


		 }

  public void paintt(Graphics page) {
       Color c1,c2,c3;
	   int width= (int)(Math.random()* 41);
	   int boxNum= 8;
	   int xValue= (int)(Math.random()* 41);
       int yValue= (int)(Math.random()* 41);

       c1=mixColor();
       c2=mixColor();
       c3=mixColor();

       page.setColor(c3);
       page.fillRect (0, 0, getSize().width, getSize().height);

       page.setColor(c1);
       int diameter=width;
       int y=xValue;
       for (int i = 0; i< boxNum; i ++){
		 int x=yValue;
         for ( int j =0; j <boxNum; j++){
			if( page.getColor() == c1)
			page.setColor(c2);
			else
			page.setColor(c1);
			page.fillRect (x,y,diameter, diameter);
            x+= width;
            }// end of for loop

            if( page.getColor() == c1)
			page.setColor(c2);
			else
			page.setColor(c1);
            y+= width;
        }//end of for loop
        int n = 150;  // wait n milliseconds
        try { Thread.sleep (n); }
        catch (InterruptedException e) {}
  }// end of paint
	     public Color mixColor(){
	   		 Color c = new Color (
	   	     (int)(Math.random () * 256),  // red   = 0..255
	   		 (int)(Math.random () * 256),  // green = 0..255
	   		 (int)(Math.random () * 256)); // blue  = 0..255
	   		return c;
         }


}// end of applet