save vector output image as .gif

Hi All,

Given a program below that will shows a image that is displayed using
vectors, I want to save the image shown as a xxx.gif.

Help is appreciated.

bH

import java.io.*;
import java.util.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class applicPxlBytesShoImg
    extends JFrame {
  public static void main(String[] argv) {
    applicPxlBytesShoImg myExample = new applicPxlBytesShoImg("Pixel
Bytes To Image");
  }

  public applicPxlBytesShoImg(String title) {
    super(title);
    setSize(300, 335);
    addWindowListener(new WindowAdapter() {
      public void windowClosing(WindowEvent we) {
        dispose();
        System.exit(0);
      }
    });
    setVisible(true);
  }

  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;

    String hR, hG, hB, width, height, hexColor;

    int red, green, blue, dx, dy, w, h;
    Vector vec1;
    Vector vec2;
    try {
      FileInputStream fin = new FileInputStream("ColorPixlData.txt");
      ObjectInputStream in = new ObjectInputStream(fin);
      vec1 = (Vector) in.readObject();
      vec2 = (Vector) in.readObject();
      in.close();

      width = (String) vec1.elementAt(0);
      w = Integer.parseInt(width);
      height = (String) vec1.elementAt(1);
      h = Integer.parseInt(height);
      int index = 0;

      for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
          hexColor = (String) vec2.elementAt(index);
          hR = hexColor.substring(0, 2);
          hG = hexColor.substring(2, 4);
          hB = hexColor.substring(4, 6);

          red = Integer.parseInt(hR, 16);
          green = Integer.parseInt(hG, 16);
          blue = Integer.parseInt(hB, 16);

          Color clr = new Color(red, green, blue);
          g.setColor(clr);
          // screen reposition dx,dy
           dx = 0;
           dy = 40;
          // used a drawLine with the from and to being the same
          // only a pragmatic solution
          g.drawLine(x + dx, y + dy, x + dx, y + dy);
          ++index;
        }
      }
    }
    catch (Exception e) {
      System.out.println("error getting data");
    }

  }
}