Java Programming Tutorial - 56 - Polymorphic Arguments

public class apples {
   public static void main(String[] args){

      fatty bucky = new fatty();
      food fo = new food();
      food po = new potpie();

      bucky.digest(fo);
      bucky.digest(po);
   }
}


public class potpie extends food {
   void eat(){
      System.out.println("this potpie is great");
   }

}


public class tuna extends food{
   void eat(){
      System.out.println("this tuna is great");
   }
}

public class food {

   void eat(){
      System.out.println("this food is great");
   }

}

public class fatty {

   public void digest(food x){
      x.eat();
   }

}