Concept Summary:

1.Class design

2.Encapsulation, modularity and reusability

Build the StockItem Class:

Design and implement a class named StockItem that can be used to keep track ofitems in stock at a store.

Each stock item object must include the following:

A variable named description which will hold a description of a stock item.

A variable named id which holds a unique integer.

A variable named price which holds the price rounded to the nearest penny.

A variable named quantity which indicates how many are in stock.

Each stock item must have a unique ID number generated for each newly instantiated stock item object. In order to do this, youll need a static variable.

StockItem class must include a:

Default constructor.

Overloaded constructor that takes description, a price, and a current quantity.

Overridden toString/ToString method that prints all details of the stock item

Methods of the StockItem object must include the following:

Getter Methods:

Retrieve the description of the item

Retrieve the id number of the item

Retrieve the price of the item

Retrieve the quantity of the item that is currently in stock

Setter Methods:

Set a new price for the item

Should take in a new price and set it.

If the new price is below 0, print an error.

Lower the quantity in stock

Should take in a quantity and lower the objects quantity.

If the quantity would drop below 0, print an error.

Raise the quantity in stock