Develop a program that draws two sets of ever-decreasing rectangles one in outline form and one filled alternately in black and white.

2.4 Develop a program that draws two sets of ever-decreasing rectangles one in outline form and one filled alternately in black and white.

Rect10.java

import java.awt.*;
import java.applet.*;
/*<applet code="Rect10.class" width=800 height=400></applet>*/
public class Rect10 extends Applet
{
  int x,y,w,h;
  public void paint(Graphics g)
  {
    x=10;
    y=10;
    w=300;
    h=200;
    for(int i=0; i<20;i++)
    {
      x+=5;
      y+=5;
      w-=10;
      h-=10;
      if(i%2==0)
      {
        g.setColor(Color.black);  
        g.fillRect(x,y,w,h);
      }
      else
      {
         g.setColor(Color.white);
         g.fillRect(x, y,w,h);
      }
    }
  }
}

Output

Happy Coding :)