Fast-food

import java.util.Scanner;

public class order{
    public static void main(String[] args){
        char choice;

        Scanner unit = new Scanner(System.in);

        System.out.print("Welcome to a Generic Fast Food Restaurant. What would you like to order?");

        do{
            System.out.print( "\n\n1. Hamburger - $0.78"
            + "\n2. Cheeseburger - $1.13"
            + "\n3. Frenchfries - $0.97"
            + "\n4. Fried Chicken - $1.75"
            + "\n5. Chicken Nuggets - $2.17"
            + "\n6. Hotcakes - $1.46"
            + "\nPlease type the number of the order you want"
            + "\n\n>> ");
            int order = unit.nextInt();

            double total = calculateTotal(order);

            System.out.print("\nYour change is " + total + ". Thank you for ordering with a Generic Fast Food Restaurant."
            + "\nWould you like to place another order? (Y/N) >> ");
            choice = unit.next().charAt(0);

        }while (choice == 'Y' || choice == 'y');

        System.out.println("Thank you for ordering with a Generic Fast Food Restaurant. Goodbye!");
    }

    public static double calculateTotal(int order) {

        Scanner unit = new Scanner(System.in);

        double drink = 1.32;
        double cost = 0.0;
        double itemCost = 0.0;

        switch (order) {
            case 1:
                itemCost = 0.78;
                break;
            case 2:
                itemCost = 1.13;
                break;
            case 3:
                itemCost = 0.97;
                break;
            case 4:
                itemCost = 1.75;
                break;
            case 5:
                itemCost = 2.17;
                break;
            case 6:
                itemCost = 1.46;
                break;
            default:
                System.out.print("\nInvalid Command. Please only choose one");
        }

        System.out.print("Would you like to add a drink to your order for only $1.32? >> ");
        char choice = unit.next().charAt(0);

        if (choice == 'Y' || choice == 'y') {
            cost = itemCost + drink;
        } else {
            cost = itemCost;
        }

        System.out.print("Thank you for ordering your total is " + cost + "\n How much are you paying? >> ");
        double money = unit.nextDouble();

        return money - cost;
    }
}