import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetSocketAddress;
class PacketReceiver {
public static void main(String[] args) throws Exception {
byte[] buffer = new byte[1024];
DatagramPacket packet = new DatagramPacket(buffer, buffer.length);
DatagramSocket socket = new DatagramSocket(5002);
socket.receive(packet);
System.out.println(packet.getSocketAddress());
buffer = packet.getData();
System.out.println(new String(buffer));
}
}
class PacketSender {
public static void main(String[] args) throws Exception {
byte[] buffer = "data".getBytes();
DatagramPacket packet = new DatagramPacket(buffer, buffer.length, new InetSocketAddress(
"localhost", 5002));
DatagramSocket socket = new DatagramSocket(5003);
socket.send(packet);
}
}