Java is moving faster and faster. A lot of features are not as known as they should be.
Let’s review together the old ones you missed.
Then show you the ones you never had time to look at in 9, 10, 11, 12 and 13.
And go crazy to check how it’s implemented under the hood (yes, there will be bytecode).
Henri Tremblay is Java Champion. He leads EasyMock and Objenesis and contributes to Ehcache open source projects. When he was young, he made popular class mocking, invented partial mocking and was coding with pragmatism.