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Java Socket编程是网络编程的一种方式,它允许不同计算机上的应用程序通过网络进行通信。以下是一些入门Java Socket编程的步骤:
import java.io.*;
import java.net.*;
public class TCPServer {
public static void main(String[] args) {
try (ServerSocket serverSocket = new ServerSocket(8080)) {
System.out.println("Server is listening on port 8080");
while (true) {
Socket clientSocket = serverSocket.accept();
System.out.println("New client connected");
// 处理客户端请求
BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
PrintWriter out = new PrintWriter(clientSocket.getOutputStream(), true);
String inputLine;
while ((inputLine = in.readLine()) != null) {
System.out.println("Received from client: " + inputLine);
out.println("Echo: " + inputLine);
}
clientSocket.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
import java.io.*;
import java.net.*;
public class TCPClient {
public static void main(String[] args) {
try (Socket socket = new Socket("localhost", 8080)) {
BufferedReader userInput = new BufferedReader(new InputStreamReader(System.in));
PrintWriter out = new PrintWriter(socket.getOutputStream(), true);
BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
String userInputLine;
while ((userInputLine = userInput.readLine()) != null) {
out.println(userInputLine);
String response = in.readLine();
System.out.println("Server response: " + response);
}
} catch (UnknownHostException e) {
System.err.println("Don't know about host");
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
通过以上步骤,你可以逐步掌握Java Socket编程的基础知识和实践技能。祝你学习愉快!
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