Code examples in these sections will get you started with pure functions, higher-order functions, lazy evaluation, closures, and currying. Functional programming is on the rise ...

Functional supplier interface in Java tutorial There are only half a dozen classes you really need to master to become competent in the world of functional programming. The java.util.function package ...

The Java Function interface is quite simple. It takes a single Java object as an argument, and returns a single Java object when the method concludes. Any method you can conjure up takes an object and ...

In Part 2 we’ll revisit those techniques using Java code that pre-dates Java 8. As you’ll see, this code is functional, but it’s not easy to write or read.