Modify the attached Inventory Program so the application can handle multiple items.
Use an array to store the items. The output should display the information
one product at a time, including the item number, the name of the product,
the number of units in stock, the price of each unit, and the value of the
inventory of that product. In addition, the output should display the value
of the entire inventory.
. Create a method to calculate the value of the entire inventory.
. Create another method to sort the array items by the name of the product.