Save image from ulr using JAVA

package com.cakes;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
public class SaveImageFromUrl {
 public static void main(String[] args) throws Exception {
  String imageUrl = "http://www.avajava.com/images/avajavalogo.jpg";
  String destinationFile = "image.jpg";
  saveImage(imageUrl, destinationFile);
 }
 public static void saveImage(String imageUrl, String destinationFile) throws IOException {
  URL url = new URL(imageUrl);
  InputStream is = url.openStream();
  OutputStream os = new FileOutputStream(destinationFile);
  byte[] b = new byte[2048];
  int length;
  while ((length = is.read(b)) != -1) {
   os.write(b, 0, length);
  }
  is.close();
  os.close();
 }
}