java -jar fruitshop.jar path/to/products.txt path/to/order.txt Both products.txt and order.txt are expected to have a header line, so items must start from second row.
The strategy for the Direct discount offer and Free item should have been parametrized, at least within the constructor as I managed to do in the OferXPayY, just didn't have the time to do with all 3 offers.
Since I had no dependency injection and I didn't have the time to build all the scaffolding for a properties file and factory methods the creation of objects has been left on singletons
The UseCases act as typical Domain Driven Design services adapted to Single Responsability Principle of SOLID.
Project is built with Maven, and should be imported into IDE as such type.