import java.net.*;
public class Address {
   public static void main(String[] args) {
      try {
         InetAddress me = InetAddress.getLocalHost();
         System.out.println(me);
         System.out.println("My name is " + me.getHostName());
         System.out.println("My address is " + me.getHostAddress());
         byte[] address = me.getAddress();
         for (int i = 0; i < address.length; i++) {
            System.out.print(address[i] + " ");
         }
            System.out.println();
      } catch (UnknownHostException e) {
            System.err.println("Could not determine local address.");
            System.err.println("Perhaps the network is down?");
      }
   }
}