serveur.java

java Sockets using UDP

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

public class serveur{
static final int port = 3500;
public static void main(String argv[])throws SocketException,IOException
{
byte[] memoire = new byte [100];
String text;
DatagramSocket socket = new DatagramSocket(port);
DatagramPacket reception = new DatagramPacket(memoire,memoire.length);
socket.receive(reception);

InetAddress adresse=null;
text=new String (memoire);
System.out.println("Reception de la machine " + reception.getAddress().getHostName() + "sur le port " + reception.getPort()+":\n"+text);

int longueur= text.length();
//adresse = InetAddress.getLocalHost();
DatagramPacket envoi= new DatagramPacket(memoire,longueur,reception.getAddress(),reception.getPort());
socket.send(envoi);
}
}