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 ...

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.