🔧 Rethinking Java Design Patterns: From OOP to FP

The functional programming answer, to those who wonder how to integrate or combine it with object-oriented programming, is usually: Turtles all the way down.
This is an aphorism whose origin is credited to Richard Feynman. In his book, Surely You're Joking, Mr. Feynman !, published in 1985, he tells the story of one of his conferences on the...