Supermarket checkout component with readable API that calculates the total price of a number of items :-implemented by Sudheer Kosuru Business requirements:

· Design and implement supermarket checkout component with readable API that calculates the total price of a number of items.

· Checkout mechanism can scan items and return actual price (is stateful)

· Our goods are priced individually. In addition, some items are multi-priced: "buy n of them, and they’ll cost you y cents"

  Item   Unit      Special

          Price     Price

A        40       3 for 70

B        10       2 for 15

C        30

D        25

We value:

· simple, elegant code that reads like a narrative – don't overcomplicate

· excellent testing that acts as documentation

· challenging boundaries where necessary

Additional notes:

· use maven or gradle build system

· make task available on the public GitHub

· if in doubt please document your design choice in README file

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