A well-known supermarket employs you to develop an inventory control system. You decided implement it by Object Oriented Programming (Java) because of programs written by Java is easy to enhance and maintenance.
The system will control the inventory of 3 shops (Shop 1, Shop 2, and Shop 3).
The system has the following basic functions:
- When the numbers of products in stock is below 10, a warning message will be shown.
- Shopkeeper can update the inventory after the delivery of goods.
- The selling report can be generated.
- The total income of a day can be displayed.