PizzaOrder.java~

//This program uses the pizza class to allow the user to order a pizza

import java.util.Scanner;
import java.text.DecimalFormat;

//TASK #5
//Add an import statement to use the DecimalFormat class here, see page 236 of our text 

public class PizzaOrder
{
  public static void main (String [] args)
  { 
    //Create a Scanner object to read input
    Scanner keyboard = new Scanner (System.in);

    //Create an instance of a Pizza
    Pizza order = new Pizza ();
    
    //declare and initalize some local variables
    String firstName; //user?s first name
    boolean discount = false; //flag, true if user is eligible for discount
    int inches; //size of the pizza
    char crustType; //type of crust
    double cost; //cost of the pizza
    final double TAX_RATE = .08;//sales tax rate
    double tax; //amount of tax
    char choice; //user?s choice
    String input; //user input
    String toppings = "Cheese ";//list of toppings
    int numberOfToppings = 0; //number of toppings
    
    //prompt user and get first name
    System.out.println("Welcome to Mike and " + "Diane?s Pizza");
    System.out.print("Enter your first name: ");
    firstName = keyboard.nextLine();
    
    //TASK #1
    if (  (firstName.equalsIgnoreCase("Mike")) || (firstName.equalsIgnoreCase("Michael")) || (firstName.equalsIgnoreCase("Diana"))  )
    {
      discount = true;  
    }
    
    //prompt user and get pizza size choice
    System.out.println("Pizza Size (inches) Cost");
    System.out.println(" 10 $10.99");
    System.out.println(" 12 $12.99");
    System.out.println(" 14 $14.99");
    System.out.println(" 16 $16.99");
    System.out.println("What size pizza would you like?");
    System.out.print("10, 12, 14, or 16 " + "(enter the number only): ");
    inches = keyboard.nextInt();
        
    //TASK #2 set price and size of pizza ordered
    //write an "if statement" to test the value of the variable inches
    //  make a call to the setSize method passing the appropriate pizza size
    //  also make a call to the setCost method and pass it the appropriate cost adjustment (cost is preset to 12.99)
    //  be sure to include a default else case that gives an error message and sets the size to 12 and cost to 12.99
    //see pages 205-209 of our text, add the code for TASK #2 here:
    if (inches == 10)
    { order.setCost(-2); }
    else if (inches == 14)
    { order.setCost(+2); }
    else if (inches == 16)
    { order.setCost(+4); }
    
    //consume the remaining newline character
    keyboard.nextLine();
    //prompt user and get crust choice
    System.out.println("What type of crust do you want? ");
    System.out.print("(H)Hand-tossed, (T) Thin-crust, or (D) Deep-dish (enter H, T, or D): ");
    input = keyboard.nextLine();
    crustType = Character.toUpperCase(input.charAt(0));

    switch (crustType)
    {
      case 'H': order.setCrust("Hand-tossed"); break;
      case 'D': order.setCrust("Deep-dish");   break;
      case 'T': order.setCrust("Thin-crust");  break;
      default:  order.setCrust("Invalid selection: Using Hand-tossed"); break;
    }
  
    //prompt user and get topping choices one at a time
    System.out.println("All pizzas come with cheese.");
    System.out.println("Additional toppings are $1.25 each, choose from: ");
    System.out.println("Pepperoni, Sausage, Onion, Mushroom");
    
    //if a topping is desired, add it to topping list and number of toppings
    System.out.print("Do you want Pepperoni? (Y/N): ");
    input = keyboard.nextLine();
    choice = Character.toUpperCase(input.charAt(0));
    if (choice == 'Y')
    {
      numberOfToppings += 1;
      toppings = toppings + "Pepperoni ";
    }
    System.out.print("Do you want Sausage? (Y/N): ");
    input = keyboard.nextLine();
    choice = Character.toUpperCase(input.charAt(0));
    if (choice == 'Y')
    {
      numberOfToppings += 1;
      toppings = toppings + "Sausage ";
    }
    System.out.print("Do you want Onion? (Y/N): ");
    input = keyboard.nextLine();
    choice = Character.toUpperCase(input.charAt(0));
    if (choice == 'Y')
    {
      numberOfToppings += 1;
      toppings = toppings + "Onion ";
    }
    System.out.print("Do you want Mushroom? (Y/N): ");
    input = keyboard.nextLine();
    choice = Character.toUpperCase(input.charAt(0));
    if (choice == 'Y')
    {
      numberOfToppings += 1;
      toppings = toppings + "Mushroom ";
    }
    //set number of toppings and topping list on pizza ordered
    order.setNumToppings(numberOfToppings);
    order.setToppingList(toppings);
    //add additional toppings cost to cost of pizza
    order.setCost(1.25*numberOfToppings);
    //display order confirmation
    System.out.println();
    System.out.println("Your order is as follows: ");
    System.out.println(order.getSize() + " inch pizza");
    System.out.println(order.getCrust() + " crust");
    System.out.println(order.getToppingList());
    //display cost of pizza
    cost = order.getCost();
   
    if (discount == true)
    {
      System.out.println("You get a discount!");
      order.setCost(-2);
      cost = order.getCost();
    }
    DecimalFormat df = new DecimalFormat("##.00");
        
    
    System.out.println("The cost of your order is: $" + df.format(cost));
    tax = (cost * TAX_RATE);
    System.out.println("The tax is: $" + df.format(tax));
    System.out.println("The total due is: $" + df.format((tax+cost)));
    System.out.println("Your order will be ready for pickup in 30 minutes.");
  }
}