$1.$ id $($int$)$ Acts as a unique identifier for the item class, this field should be constant

$2.$ count $($int$)$ Tells us count of item

Member Functions

$1.$ Constructor: Takes the id and the count and sets them, also makes all needed initializations

$2.$ print Info: prints the id and count of the item

$3.$ setter and getter for count.

$4.$ getter for id

Class Shopping Cart

Data Members

$1.$ uniqueItemCount

int, counter to keep track of number of unique items in shopping cart.

$2.$ itemCount

int, counter to keep track of number of items in shopping cart.

$3.$ itemsArray

Array to keep track of items in shopping cart.

Maximum itemCount of shopping cart is always $15$

Type of array left for students

Member Functions

$1.$ Constructor: Initialize any needed variables

$2.$ printShoppingCart: prints the count of items, and the number of unique items, then prints the detail of each item.

$3.$ addItem: adds an item to the items Array.

$.$ We can't have two items in the array having the same id

If we add an item of id$=5,$ and count $=2,$ and then we add another item with the same id and with count $3,$ we should have one item with count $5.$

$.$ If you add an item that has count $=5$ to itemsArray, you shoul

increment items count by $5.$

If we only have $3$ space, and the user wants to add an item that has

count $5,$ we don't add anything to the array.

$4.$ removeItem: takes as parameter an item id and removes that item from

itemsArray.

$5.$ Destructor if needed.

$3$

Main $/$ Testing

Each test should be in a separate function.

Test $1$

$1.$ Create $2$ items $($any valid id and count$)$

$2.$ Print info for both items

Test $2$

$1.$ Create $20$ items, item ids should be $[0,1,2,3...$etc$]$ and count $=1$ for all $2.$ Add all items to shopping cart and Print Shopping Cart

Test $3$

$1.$ Create $1$ item of count $15$ and add item to itemsArray $2.$ Create another item of count $1$ and add it to itemsArray $3.$ Print Shopping Cart

Test $4$

$1.$ Create $3$ items, all items should have the same id$.$ items have count $1,2,$

$3$ respectively

$2.$ Add $3$ items to shopping and print shopping cart

Test $5$

$1.$ create one item of count $=4$ and id$=4$ and Print Shopping Cart $2.$ remove item with id $=4$ and Print Shopping Cart

Test $6$

$2.$ remove Item with id $=3$ and Print Shopping Cart $1.$ create two items with id $=1$ and another with id $23.$ remove item with id $=1$ and Print Shopping Cart