A number of practical tasks for Java 8 Stream API, lambdas & Optional API.

In this training you should provide implementation for some classes, composing an e-shop.

• Package com.expertsoft.model contains domain model classes, such as Order, Customer and Product

• Package com.expetsoft.tasks contains task classes with missing implementation for some of the methods. This includes:

  • com.expertsoft.tasks.OrderStats - implement methods to collect statistical information about customers and orders of the shop using Stream API