Get content encoding for a URL connection in Java

import java.net.URL;
import java.net.URLConnection;
/*from   w ww.  jav  a  2s . c om*/
public class Main {

  public static void main(String args[]) throws Exception {

    URL u = new URL("http://www.google.com");
    URLConnection uc = u.openConnection();
    System.out.println("Content-encoding: " + uc.getContentEncoding());
  }

}