Functional programming means using functions to the best effect for creating clean and maintainable software. This article illustrates the concepts behind the functional paradigm with practical ...

Functional programming encourages expression-oriented programming, so you’ll want to avoid using statements as much as possible. For example, suppose you want to replace Java’s if – else ...

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 ...

Immutable software For example, in regular programming you initialize a variable to some value: x = 1 return x * 2 This will return 2. But the value of the program can change when another programmer ...

The Resurgence of Functional Programming track at QCon Plus featured several experts describing how functional programming makes developing software a joyful experience. They also told why and how ...

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.

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 ...