import java.applet.*;
import java.awt.*;
public class Rects1 extends Applet
{
        public class coords
        {
            int x1,y1,x2,y2;
        }

        public void paint (Graphics g)
        {
                coords boxes[]=new coords[3];
            for(int x=0;x<3;x++)
                boxes[x]=new coords();

            g.setColor(Color.blue);
                //assign coordinates and draw
            for(int x=0;x<3;x++)
             {
                boxes[x].x1=50+(20*x+1);
                boxes[x].y1=50;
                boxes[x].x2=20;
                boxes[x].y2=100;

g.drawRect(boxes[x].x1,boxes[x].y1,boxes[x].x2,boxes[x].y2);
             }
        }
}