This is a Design & Build Exercise to model a CheckOut Till that can cope with

1. Addition of new products & their price/unit
2. Using an Adaptation of the Strategy Pattern
3. Maven Build file provided
4. run.sh shell script runs JAR that was built

• Offer bargains like Buy one get one free
• Offer bargains like Buy 2 get 3rd one free (3 for 2)

Design Phase 1

• Build a checkout system which sells apples & oranges
• Apples cost 60p, oranges 25p
• Build a checkout (Final Till Receipt) that outputs final grand total cost

Design Phase 2

• Introduce the offer of Buy One get One Free for Apples
• Introduce the offer of 3 for 2 for Oranges