Java by API/java.net/MulticastSocket

MulticastSocket: joinGroup(InetAddress mcastaddr) throws IOException

   <source lang="java">
 

import java.net.DatagramPacket; import java.net.InetAddress; import java.net.MulticastSocket; public class MainClass {

 public static void main(String[] args) throws Exception {
   int port = 0;
   byte ttl = (byte) 1;
   InetAddress ia = InetAddress.getByName("127.0.0.1");
   byte[] data = "Here"s some multicast data\r\n".getBytes();
   DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);
   MulticastSocket ms = new MulticastSocket();
   ms.joinGroup(ia);
   for (int i = 1; i < 10; i++) {
     ms.send(dp, ttl);
   }
   ms.leaveGroup(ia);
   ms.close();
 }

}

 </source>
   
  
 
  

MulticastSocket: leaveGroup(InetAddress mcastaddr) throws IOException

   <source lang="java">
 

import java.net.DatagramPacket; import java.net.InetAddress; import java.net.MulticastSocket; public class MainClass {

 public static void main(String[] args) throws Exception {
   int port = 0;
   byte ttl = (byte) 1;
   InetAddress ia = InetAddress.getByName("127.0.0.1");
   byte[] data = "Here"s some multicast data\r\n".getBytes();
   DatagramPacket dp = new DatagramPacket(data, data.length, ia, port);
   MulticastSocket ms = new MulticastSocket();
   ms.joinGroup(ia);
   for (int i = 1; i < 10; i++) {
     ms.send(dp, ttl);
   }
   ms.leaveGroup(ia);
   ms.close();
 }

}

 </source>