Instead, functional programming prefers to take an existing variable and pass it through a “pipeline” (a function or functions) that transforms it into a new variable, leaving the original as-is.

In Functional programming for Java developers, Part 1, I used JavaScript examples to get you started with five functional programming techniques: pure functions, higher-order functions, lazy ...

Functional programming might seem intimidating and overly academic at first, but once you get the hang of it, it helps you build more maintainable software, making the process more enjoyable.

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 ...

Chapter 6: Functions and Functional Programming Substantial programs are broken up into functions for better modularity and ease of maintenance. Python makes it easy to define functions but also ...

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 ...

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 ...

Purely functional programming is a brilliant idea with a misleading name. When people talk about “purely functional programming”, they mean Haskell or something like Haskell.