Below coding is work.

/*

2006/08/14 eric.leung Work at Home. Need to check with proxy
Authenticator.

* Copyright (c) 2000 David Flanagan.  All rights reserved.
* This code is from the book Java Examples in a Nutshell, 2nd Edition.
* It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or
implied.
* You may study, use, and modify it for any non-commercial purpose.
* You may distribute it non-commercially as long as you retain this
notice.
* For a commercial use license, or to purchase the book (recommended),
* visit http://www.davidflanagan.com/javaexamples2.
*/
// package com.davidflanagan.examples.net;
import java.io.*;
import java.net.*;

/**
* This program connects to a Web server and downloads the specified
URL
* from it.  It uses the HTTP protocol directly.
**/
public class HttpClient {
   public static void main(String[] args) {
       try {
           // Check the arguments
           if ((args.length != 1) && (args.length != 2))
               throw new IllegalArgumentException("Wrong number of
args");

           // Get an output stream to write the URL contents to
           OutputStream to_file;
           if (args.length == 2) to_file = new
FileOutputStream(args[1]);
           else to_file = System.out;

           // Now use the URL class to parse the user-specified URL
into
           // its various parts.
           URL url = new URL(args[0]);
           String protocol = url.getProtocol();
           if (!protocol.equals("http")) // Check that we support the
protocol
              throw new IllegalArgumentException("Must use 'http:'
protocol");
           String host = url.getHost();
           int port = url.getPort();
           if (port == -1) port = 80; // if no port, use the default
HTTP port
           String filename = url.getFile();

           // Open a network socket connection to the specified host
and port
           Socket socket = new Socket(host, port);

           // Get input and output streams for the socket
           InputStream from_server = socket.getInputStream();
           PrintWriter to_server = new
PrintWriter(socket.getOutputStream());

           // Send the HTTP GET command to the Web server, specifying
the file
           // This uses an old and very simple version of the HTTP
protocol
           to_server.print("GET " + filename + "\n\n");
           to_server.flush();  // Send it right now!

           // Now read the server's response, and write it to the file
           byte[] buffer = new byte[4096];
           int bytes_read;
           while((bytes_read = from_server.read(buffer)) != -1)
               to_file.write(buffer, 0, bytes_read);

           // When the server closes the connection, we close our
stuff
           socket.close();
           to_file.close();
           System.out.println("Output to " + args[1]);
       }
       catch (Exception e) {    // Report any errors that arise
           System.err.println(e);
           System.err.println("\n2006/08/11\n");
           System.err.println("Usage: java HttpClient <URL>
[<filename>]");
           System.err.println("e.g. java HttpClient
http://hk.yahoo.com abc.txt");
       }
   }
}