private void printFood(List<Food> foodList) { System.out.println(""); for (Food food : foodList) { System.out.print( "이름:" + food.getName() + " 가격:" + food.getPrice() + " 칼로리: " + food.getWeight()); if (food instanceof Hamburger) { Hamburger hamburger = (Hamburger) food; System.out.println(" 소스: " + hamburger.getSource()); } else if (food instanceof Pizza) { Pizza pizza = (Pizza) food; System.out.println(" 토핑: " + pizza.getTopping()); } } }