Java TCP网络编程

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使用TCP协议编写一个网络程序，设置服务器端的监听端口是8002，当与客户端建立连接后，服务器端向客户端发送数据“Hello, world”，客户端收到数据后打印输出。

服务器端代码：

import java.io.OutputStream;import java.net.ServerSocket;import java.net.Socket;public class Tcpfwq {public static void main(String[] args) throws Exception {// TODO Auto-generated method stubnew TCPServer().listen();}}class TCPServer{private static final int PORT=8002;public void listen() throws Exception{ServerSocket seso=new ServerSocket(PORT);Socket clie=seso.accept();OutputStream os=clie.getOutputStream();os.write(("Hello, world").getBytes());Thread.sleep(5000);os.close();clie.close();}}

客户端代码：

import java.io.InputStream;import java.net.InetAddress;import java.net.Socket;public class Tcpkht {public static void main(String[] args) throws Exception{// TODO Auto-generated method stubnew TCPClient().connect();}}class TCPClient{public void connect() throws Exception{// TODO Auto-generated method stubSocket client=new Socket(InetAddress.getLocalHost(),8002);InputStream is=client.getInputStream();byte[] buf=new byte[1024];int len=is.read(buf);System.out.println(new String(buf,0,len));client.close();}}

运行结果图：

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