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


public class MulticastConstructor {

  public static void main(String[] args) {
  
    try {
      MulticastSocket ms = new MulticastSocket();
      System.out.println(ms);
    }
    catch (SocketException se) {
      System.err.println(se);
    }
    catch (IOException ioe) {
      System.err.println(ioe);
    }
  
  }

}