Use Java to Extract All the Name-value Pairs from a URL

import java.net.*;
import java.io.*;
import java.util.*;
import java.text.*;
//Program to get all the cookies(name/pair values) from the URL passed as parameter
public class GetCookieFromURL{
   public static void main(String args[])   {
     try{
          //create url by pass your url as string
          URL url = new 
             URL("http://www.anywebsite.com/login.xml?user=xyz&password=pass1");
          // opening the connection to the url
          URLConnection conn = url.openConnection();
          //setting up the browser's user agent as property to conn
          conn.setRequestProperty("User-Agent", "Mozilla/5.0 (X11; U; 
             Linux i686; rv:1.7.3) Gecko/20041020 Firefox/0.10.1");
          conn.connect();     
          
          //traverse around the cookie till the headerfield is null
          while(true){
            if(conn.getHeaderField(i) !=null){
               System.out.println(  conn.getHeaderFieldKey(i));
               System.out.println(  conn.getHeaderField(i));
            }else
            {
                break;
             }
          }//end of while
    }//end of try
     catch(Exception e) {
       System.out.println(e);
     }
   } // end of main
}//end of class