電網導P2 Server.

P2Server.java

import java.io.*;
import java.net.*;


class P2Server
{   public static void main(String args[]) throws Exception
    {   DatagramSocket serverSocket = new DatagramSocket(9090);
        // System.out.println("Server now running on 9090...");
        while (true)
        {   DatagramPacket receivedPacket = new DatagramPacket(new byte[128], 128);
            serverSocket.receive(receivedPacket);

            String sentence = new String(receivedPacket.getData());
            InetAddress ipAddress = receivedPacket.getAddress();
            int port = receivedPacket.getPort();

            System.out.println("Receive from " + ipAddress + ":" + port + " : " + sentence);
            
        }
    }
}