This is a Java Application which stores supershop's products and prices, tracks customer's cart and prints a receipt from Cash Register while customer bills out.
POSmain: Take threefile names from command line arguments. The first file contains a list of products and theirprices; the second and third files are lists of items in two shopping carts of two customers.
ShoppingCart: Each of the cart files load a list of items in a shopping cart and store them in this class's object .
CashRegister: POSmain will create a CashRegister object by passing the price list to it. CashRegisterobject scans items in a cart and print a receipt for each shopping cart one by one. At last, print a report for the day.