Must comment on the code at every "/* Comment Here */" section about what the code is doing.

import java.io.*; import java.net.*;

public class HttpHeader { public static void main(String args[]) throws java.io.IOException { if (args.length < 1) { System.err .println("Usage: java HttpHeader [document name]"); System.exit(0); }

final int PORT = 80; Socket sock = null; BufferedReader in = null; PrintWriter out = null; String requestedDocument = "";

if (args.length == 2) requestedDocument = args[1];

try { /* Comment Here */ sock = new Socket(args[0], PORT);

/* Comment Here */ in = new BufferedReader( new InputStreamReader(sock.getInputStream())); out = new PrintWriter( new OutputStreamWriter(sock.getOutputStream()));

/* Comment Here */ String message = "GET /" + requestedDocument + " HTTP/1.1 Host: " + args[0] + " "; out.print(message); out.flush();

/* Comment Here */ String line; while ((line = in.readLine()) != null) { if (line.length() == 0) break; System.out.println(line); } } /* Comment Here */ catch (Exception e) { System.err.println(e); } finally { // close all streams if (in != null) in.close(); if (out != null) out.close(); if (sock != null) sock.close(); } } }