== use the code below as a starting point

//*********************************************************************
// TSquare.java By Dale/Joyce/Weems Chapter 3
//
// Creates a jpg file containing a recursive TSquare.
// Run argument 1: full name of target jpg file
//
//********************************************************************
package ch03.fractals;

import java.awt.image.*;
import java.awt.Color;
import java.io.*;
import javax.imageio.*;

public class TSquare {
static final int SIDE = 1000; // image is SIDE X SIDE
static BufferedImage image = new BufferedImage(SIDE, SIDE, BufferedImage.TYPE_INT_RGB);
static final int WHITE = Color.WHITE.getRGB();
static final int BLACK = Color.BLACK.getRGB();

private static void drawSquare(int x, int y, int s, int myColor)
// center of square is x,y length of side is s
{
if (s <= 0) // base case
return;
else {
// determine corners
int left = x - s / 2;
int top = y - s / 2;
int right = x + s / 2;
int bottom = y + s / 2;

// recursively paint squares at the corners
int myNextColor = myColor - 100000;
drawSquare(left, top, s / 2, myNextColor);
drawSquare(left, bottom, s / 2, myNextColor);
drawSquare(right, top, s / 2, myNextColor);
drawSquare(right, bottom, s / 2, myNextColor);

for (int i = left; i < right; i++)
for (int j = top; j < bottom; j++) {
image.setRGB(i, j, myColor);
}

}
}

public static void main(String[] args) throws IOException {
String fileOut = "helloSquares.png";

// make image black
for (int i = 0; i < SIDE; i++)
for (int j = 0; j < SIDE; j++) {
image.setRGB(i, j, BLACK);
}

// first square
// drawSquare(SIDE/2, SIDE/2, SIDE/2);
// first square
int myColor = WHITE;
drawSquare(SIDE / 2, SIDE / 2, SIDE / 4, myColor);

// save image
File outputfile = new File(fileOut);
ImageIO.write(image, "jpg", outputfile);
}
}