java tcp如何传递数据

在Java中，通过TCP协议传递数据通常涉及到使用`java.net.Socket`和`java.net.ServerSocket`类。以下是一个简单的例子，演示了如何使用TCP客户端和服务器来传递数据。

TCP服务器端

服务器端会监听特定的端口，等待客户端的连接请求，并接收发送的数据。

```java

import java.io.;

import java.net.;

public class TCPServer {

public static void main(String[] args) throws IOException {

int port = 1234; // 服务器监听的端口

try (ServerSocket serverSocket = new ServerSocket(port)) {

System.out.println("Server is listening on port " + port);

try (Socket socket = serverSocket.accept()) {

System.out.println("Client connected");

BufferedReader input = new BufferedReader(new InputStreamReader(socket.getInputStream()));

String received = input.readLine();

System.out.println("Received: " + received);