class houses
{
   public int m_house=0;
   private void set_housenum(int num)
   {
     m_house=num;
   }
   public int get_numhouse()
   {
     return m_house;
   }
}
class builder
{
   public static void main(String args[])
   {
     houses myhouse=new houses();
     myhouse.m_house=3;
     int n=myhouse.get_numhouse();
     System.out.println("este es el numero de casa: " + n);
   }
}