update:demo8

com/study/demo8/TCPServer.java

@@ -0,0 +1,28 @@
+package com.study.demo8;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+public class TCPServer {
+    public static void main(String[] args) {
+        try {
+            ServerSocket serverSocket = new ServerSocket(8888);
+            System.out.println("Server started, waiting for client connection...");
+
+            Socket clientSocket = serverSocket.accept();
+            System.out.println("Client connected: " + clientSocket.getInetAddress().getHostAddress());
+
+            BufferedReader in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
+            String message = in.readLine();
+            System.out.println("Received from client: " + message);
+
+            in.close();
+            clientSocket.close();
+            serverSocket.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}