A Java developer must also be able to think and code using the declarative functional paradigm. This tutorial presents the basics of functional programming. I’ll start with terminology ...

In this functional programming tutorial, we will work through a Java Supplier interface example. Java’s functional supplier interface can be used any time a function needs to generate a result without ...

“Functional Programming in Java” is a new book written to help readers get on top of the new, essential Java 8 language features and the functional style that will change and improve your code. It’s a ...

You see, we don’t get functional programming by starting with an imperative language and cutting off its legs. A purely functional subset of Java or C or Python would be miserable little languages.