Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.

Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they’ll ever figure out which Java function to use and what the proper ...

Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java ...