Ip

import java.net.*;

public class asdf{
  public static void main(String args[]){
    try{
      InetAddress addr = InetAddress.getLocalHost();
      byte []a = addr.getAddress();

      for(int i=0; i<a.length; i++){
        System.out.print(a[i]);
      }

    }
    catch(UnknownHostException e){
      System.out.println("Erro");
    }
  }
}