Get internet address from connected socket client : Socket « Network « Java Tutorial

1. Java Tutorial
2. Network
3. Socket

import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;

public class Main {
  public static void main(String[] args) throws Exception {
    ServerSocket server = new ServerSocket(8123);
    while (true) {
      Socket sock = server.accept();
      InetAddress addr = sock.getInetAddress();
      System.out.println("Connection made to " + addr.getHostName() + " (" + addr.getHostAddress()
          + ")");
      Thread.sleep(5000);
      sock.close();
    }
  }
}