Gists Links:

jpa features:
https://gist.github.com/danilobatistaqueiroz/742f95a1cbc27177ae027d6406f02a3a

cardinality:
https://gist.github.com/danilobatistaqueiroz/8d02b7985bd7ee6829469179fe7b1bd8

mapping hibernate cardinalities:
https://gist.github.com/danilobatistaqueiroz/8d02b7985bd7ee6829469179fe7b1bd8#file-table_to_class-md

Rup vs Scrum:
https://gist.github.com/danilobatistaqueiroz/8f0111c78cf053aed92fbbc65245bfd9

Agile and Lean:
https://gist.github.com/danilobatistaqueiroz/3efc3eaed1a0f6d1488788df9664b844

Working with Mockito:
https://gist.github.com/danilobatistaqueiroz/ff645b8651c220dd21c5a01186a063f0

EJB Tutorial:
https://gist.github.com/danilobatistaqueiroz/e89399303e999087e816f3e39e44b259