Solution for Extra Credit Problem of Assignment 1.
``````
import java.awt.*;
import java.applet.*;
import java.util.*;

// this is a Java applet that draws random rectangles
// Assignment 1, CSci 1211
// Created by Elena Machkasova, 1/16/04
// Modified by ...

public class RandomRectangles extends Applet {

public void paint(Graphics g) {
// set the background to white
g.setColor(Color.white);
g.fillRect(0, 0, 400, 400);

// create a random number generator
Random r = new Random();

// fill in your code here:
g.setColor(Color.red);

int x = r.nextInt(200);
int y = r.nextInt(200);
int h = r.nextInt(200);
int w = r.nextInt(200);
g.fillRect(x, y, h, w);

g.setColor(Color.yellow);
x = r.nextInt(200);
y = r.nextInt(200);
h = r.nextInt(200);
w = r.nextInt(200);
g.fillRect(x, y, h, w);

g.setColor(Color.green);
x = r.nextInt(200);
y = r.nextInt(200);
h = r.nextInt(200);
w = r.nextInt(200);
g.fillRect(x, y, h, w);
}
}
``````

This is an example from CSci 1211 course.

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