You will run into the Function interface in a variety of places, especially when you start advanced functional programming with the Java Streams API. Powerful methods such as map, reduce and flatMap ...

A programming language that is based primarily on writing algorithms (functions). The syntax of functional programming (FP) is mathematical, and the languages are used for applications such as ...

Functional programming is a significant paradigm shift in the software world over the past 10 years. Slowly but surely, it has moved from a niche feature of a few uncommonly used languages to a ...

This tutorial explains what is different and special about a functional programmer's approach, and demonstrates how to implement JavaScript functions from a functional programming point of view. It ...

In general, handling array functions like we’ve seen here, using JavaScript’s built-in functions like map() and filter(), is an excellent application of the power of functional programming.

In-Depth Functional Programming, the .NET Way, Part 2 We looked at the basic features of functional programming with Visual F#. In this second part, we take it a bit farther and look at creating ...

Functional programming languages can have objects, but generally those objects are immutable — either arguments or return values to functions. There are no for/next loops, as those imply state ...

Scala is an easy transition for those familiar with Java and object-oriented programming. But if you want to learn the basics of functional programming, Scheme is hands-down the best.

Functional programming has “increased our reliability in a really big way,” said Adam Ernst, an engineer based at Facebook’s New York office, who oversaw the effort to rebuild the News Feed ...