本文主要是介绍Java多线程Socket操作猜数游戏样例，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
1 服务器端程序，接受连接并处理客户端的请求
ServerApp.java
package test; import java.io. * ; import java.net. * ;
/**
* 服务器端程序 * * @author luxuan310，修正赵学庆。 * 
*/ public class ServerApp { static final int PORT = 9000; private ServerSocket serverSocket; private Socket socket; private BufferedReader netIn; private PrintWriter netOut;
public ServerApp() throws IOException {
serverSocket = new ServerSocket(PORT); System.out.println("server start"); while (true) { // 等待连接 socket = serverSocket.accept(); ServerThread st = new ServerThread(socket); new Thread(st).start();
} } class ServerThread implements Runnable { private Socket socket; private int randomNumber; private int clientGuessNumber; public ServerThread(Socket s) throws IOException { socket = s; netIn = new BufferedReader(new InputStreamReader(socket.getInputStream())); netOut = new PrintWriter(socket.getOutputStream()); } public void run() { System.out.println("client" + socket.getInetAddress() + " is connect"); randomNumber = (int) (Math.random() * 100); System.out.println("random number is:" + randomNumber); try { clientGuessNumber = Integer.parseInt(netIn.readLine()); System.out.println("client guess number is:" + clientGuessNumber); for (int i = 3; i > 0; i--) { if (clientGuessNumber == randomNumber) { netOut.println("OK,恭喜，猜对了"); ClientApp.finished = true; } else if (clientGuessNumber < randomNumber) { netOut.println("您猜的数小了，您还有" + (i - 1) + "次机会"); ClientApp.finished = false; } else if (clientGuessNumber > randomNumber) { netOut.println("您猜的数大了，您还有" + (i - 1) + "次机会"); ClientApp.finished = false; } netOut.flush(); if (!ClientApp.finished) { clientGuessNumber = Integer.parseInt(netIn.readLine()); } else { break; } } if (!ClientApp.finished) { netOut.println("OK,您没有机会了，游戏结束"); } ClientApp.finished = true; } catch (IOException e) { } finally { try { netOut.close(); netIn.close(); socket.close(); } catch (IOException ee) { } } } } public static void main(String[] args) throws IOException { new ServerApp(); }} 2 客户端程序，发送每次猜的数字
package test; import java.io. * ; import java.net. * ; public class ClientApp { private Socket socket; private BufferedReader netIn; private PrintWriter netOut; private BufferedReader keyboardIn; static Boolean finished = false; public ClientApp() throws IOException { System.out.println("请输入服务器地址，连接本地服务器请输入localhost"); keyboardIn = new BufferedReader(new InputStreamReader(System.in)); try { if (keyboardIn.readLine().equalsIgnoreCase("localhost")) { socket = new Socket(InetAddress.getLocalHost(), ServerApp.PORT); } else { socket = new Socket(InetAddress.getByName(keyboardIn.readLine()), ServerApp.PORT); } netIn = new BufferedReader(new InputStreamReader(socket.getInputStream())); netOut = new PrintWriter(socket.getOutputStream()); } catch (UnknownHostException e) { System.err.println("连接不到服务器"); System.exit(-1); } System.out.println("连接成功"); while (!finished) { System.out.println("请输入0－100之间的数字"); netOut.println(keyboardIn.readLine()); netOut.flush(); String str = netIn.readLine(); if (str == null) { finished = true; break; } System.out.println(str); if (str.startsWith("OK")) { finished = true; break; } } netIn.close(); netOut.close(); keyboardIn.close(); socket.close(); } public static void main(String[] args) throws IOException { new ClientApp(); }} 3 运行效果
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