net17_3.java

很有用的课件

/**
 * Filename:Net17_3
 * Description:
 * Copyright:    Copyright (c) 2002
 * Company:
 * @author:Liyunshan
 * @version 1.0
 */

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

public class Net17_3
{
	public static void main(String args[]) throws IOException
	{
	  	Socket client = null;
		client = new Socket(InetAddress.getLocalHost(), 3434);
	  	try
	  	{
			BufferedReader input = new BufferedReader(new
				InputStreamReader(System.in));
			BufferedReader in = new BufferedReader(new
				InputStreamReader(client.getInputStream()));
			PrintWriter out = new PrintWriter(new
				OutputStreamWriter(client.getOutputStream()));
			String clientString = null;
			String serverString = null;
			System.out.println("Hello! Enter bye to exit.");
			boolean done = false;
			while (!done)
			{
				serverString = in.readLine();
				if (serverString != null)
					System.out.println("Server : " + serverString);
				System.out.print("Client : ");
				clientString = input.readLine();
				if (clientString.equals("bye")) done = true;
				if (clientString != null)
				{
					out.println(clientString);
					out.flush();
				}
			}
			in.close();
			out.close();
		}
		finally { client.close(); }
	}
}