public String print() {

        StringBuffer buffer = new StringBuffer();
        for (Food food : foods) {

            FoodType foodType = food.getFoodType();

            if (food.isDiscount()) {
                buffer.append("[X]");
            }
            buffer.append("\t");
            buffer.append(String.valueOf(foodType)).append(" : ");
            switch (foodType) {
            case DRINK:
                buffer.append(food.getName()).append(" : ").append(food.getPrice() * food.getCount()).append("\n");
                buffer.append("과도한 음주는 건강을 해칩니다.");
                break;
            case FISH:
                buffer.append(food.getName()).append(" : ").append(food.getPrice()).append("\n");
                break;
            case FRUIT:
                buffer.append(food.getName()).append(" : ").append(food.getPrice() * food.getCount() * 100).append("\n");
                break;
            case MEAT:
                buffer.append(food.getName()).append(" : ").append(food.getPrice() * food.getCount() * 600).append("\n");
                break;
            case MILK:
                buffer.append(food.getName()).append(" : ").append(food.getPrice() * food.getCount()).append("\n");
                break;

            }

        }

        return null;
    }