Lab 2(JAVA).

Requirements:

Create a program that serves as a storefront

The following items will be for sale

Ice Cream $1.25

Burger $3.50

Hot Dog $4.00

Fries $2.50

Slice of Cake $6.75

The program will present a menu with the following options:

List items in cart

Display all items here along with their price.

Display the total cost

Add item to cart

they select it, display a confirmation of purchase text

Checkout

Print all the items and their price in the order as well as the total price, ask user to pay

If the payment is too small, reject and ask again

If payment is enough, inform the user what their change is(if any) and return to the main menu.

Each option will be a numeric value starting at 1

1. List Items in Cart

2. Add Item to Cart

3. Checkout

The main function must be inside of a class called Main.

If your program can be crashed, you will receive a 25 point deduction. This is to say, you should not trust user input. If a user enters an incorrect input, you should notify them of the error and ask them to enter the input again

Supply a scanned UML Class Diagram that details your design.

Include the class that will contain main

Grade Breakdown:

Correct Price and Change Calculation = 15 Points

Correct Input Handling = 15 Points

Correct Menus = 15 Points

Correct Class Diagram = 30 Points

Quality of Design = 25 Points

Total = 100 Points

ADDITIONALLY DO ALSO THIS.....

Requirements:

Create a program that satisfies all the requirements of Lab 2 and the following

The following additional items will be for sale

Burger and Fries Combo

The price should be equal to the combined process of Burger and Fries. This shouldnt be a hardcoded thingIf the price of burger and fries changes, this code shouldnt have to be rewritten.

Hot Dog and Fries Combo

The price should be equal to the combined process of Hot Dog and Fries. This shouldnt be a hardcoded thingIf the price of burger and fries changes, this code shouldnt have to be rewritten.

Incorporate the Composite Pattern

Supply a scanned UML Class Diagram that details your design.

Include the class that will contain main

Grade Breakdown:

Correct Implementation of Composite Pattern = 45 Points

Correct Class Diagram = 30 Points

Quality of Design = 25 Points