try{
    int max = (Integer) (ois.readObject());
    byte[] serial = new byte[max];
    for(int i = 0; i < max; i++)
	  serial[i] = (Byte) ois.readObject();
    ObjectInputStream oo = new ObjectInputStream(new ByteArrayInputStream(serial));
    BufferedImage a = ImageIO.read(oo);
    oo.close();
    File file = new File("Screenshot.jpg");
    ImageIO.write(a, "jpg", file);
}catch(ClassNotFoundException e){}