I need help writing the code for this program. I\'m not understanding how to get
ID: 3688952 • Letter: I
Question
I need help writing the code for this program. I'm not understanding how to get the prices of the sizes and the toppings, since they're different prices for the sizes.
SmallTown Pizza Shop serves just two sizes of pizza, small and large, and customers can add additional toppings if desired. Write a Visual Basic program that allows the user input their selection of a large or small pizza and the “total number of toppings” desired on their pizza. A small pizza is $6.95 including one topping and $0.65 for each additional topping A large pizza is $8.75 including one topping and $0.85 for each additional topping Also solicit the customer’s phone number. The program will calculate and display the cost. The program must have three command buttons, to calculate, to clear (reset the defaults), and to exit the application. Your GUI must use appropriate controls for accepting the input from the user. Make this application look like a program that a real pizza shop would use by including an appropriate image. Use radio buttons to choose a size and check boxes to pick the toppings. Validate a maximum of 5 toppings and validate that phone number at least looks like a real phone number (7 digits). Deliverable You are expected to use proper design techniques, comments, appropriate variable names and constants, and use naming conventions where appropriate. A demo and a drop box of the source is required.
Explanation / Answer
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import java.util.Scanner; import java.text.DecimalFormat; 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; //users 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.");}
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