lab01

Lab 01 - intro

Topics

• Get to know the real world business domain you will apply Spring during the course.

• How to use layered architecture to partition an application into components with well defined responsibilities.

• How to use dependency injection to pass a component what it needs to work.

• How to program to interfaces to encapsulate implementation complexity.

• How to test application behaviour.

Instructions

1. Create savings.service.PaybackBookKeeper implementation class in savings.service.impl package.

2. Implement PaybackBookKeeperImpl configuration logic utilizing a constructor to inject (configure):

   • An AccountRepository to load Account objects to add payback to.

   • A MerchantRepository to load Merchant objects to calculate payback amount.

   • A PaybackRepository to tract confirmed paybacks for accounting and reporting.

3. Use interface JavaDoc and provided unit tests stubs to implement PaybackBookKeeperImpl application logic.

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