Java Socket简单实例

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一服务器端Server.java

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.ServerSocket;import java.net.Socket;public class Server {public static void main(String[] args) throws IOException {ServerSocket serverSocket=new ServerSocket(6789);while(true){Socket socket=serverSocket.accept();InputStream inputStream=socket.getInputStream();BufferedReader br=new BufferedReader(new InputStreamReader(inputStream));String string=br.readLine();System.out.println("客户端说："+string);br.close();inputStream.close();socket.close();}}}

二客户端Client.java

import java.io.BufferedWriter;import java.io.IOException;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.net.Socket;import java.net.UnknownHostException;public class Client {public static void main(String[] args) throws UnknownHostException, IOException {Socket socket=new Socket("127.0.0.1", 6789);OutputStream outputStream=socket.getOutputStream();BufferedWriter bWriter=new BufferedWriter(new OutputStreamWriter(outputStream));bWriter.write("服务器你好啊！");bWriter.close();outputStream.close();socket.close();}}

三结果

运行客户端程序三次，结果如下：
客户端说：服务器你好啊！
客户端说：服务器你好啊！
客户端说：服务器你好啊！

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