tailItem that holds data about an item in a retail store. The class should store the following data in attributes: item description, units in inventory, and price. Once you have written the class, write a program that creates three RetailItem objects and stores the following data in them: Description Units in Inventory Price Item#1 Jacket 12 59.95 Item#2 Designer Jeans 40 34.95 Item#3 Shirt 20 24.95
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
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Create class named RetailItem that holds data about an item in a retail store. The class should store the following data in attributes: item description, units in inventory, and price. Once you have written the class, write a program that creates three RetailItem objects and stores the following data in them:
|
|
Description |
Units in Inventory |
Price |
|
Item#1 |
Jacket |
12 |
59.95 |
|
Item#2 |
Designer Jeans |
40 |
34.95 |
|
Item#3 |
Shirt |
20 |
24.95 |
Create CashRegister class that can be used with the RetailItem class. The
CashRegister class should be able to internally keep a list of RetailItem objects. The
class should have the following methods:
• A method named purchase_item that accepts a RetailItem object as an argument.
Each time the purchase_item method is called, the RetailItem object that is passed as
an argument should be added to the list.
• A method named get_total that returns the total price of all the RetailItem objects
stored in the CashRegister object's internal list.
• A method named show_items that displays data about the RetailItem objects stored
in the CashRegister object's internal list.
• A method named clear that should clear the CashRegister object's internal list.
Demonstrate the CashRegister class in a program that allows the user to select several
items for purchase. When the user is ready to check out, the program should display a list
of all the items he or she has selected for purchase, as well as the total price.
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