One more than one occasion, I’ve found myself yearning for a more functional paradigm that facilitates easier concurrency programming on the JVM.

Neward starts by introducing functional programming concepts for developers used to objects oriented programming and works up to building a framework for a client library for accessing Twitter.

Even as some argue exactly what it is, functional programming keeps attracting developers. And three of the most popular functional languages — Clojure, F#, and Scala — are on tap for ...

Scala is qualitatively more. Scala represents a different philosophy: imperative versus functional programming. Java (and most other languages) are imperative languages.

Scala is designed to allow the functional programming style. But what does Scala functional programming actually mean? Let’s start with the fact that functional programs are immutable.

A number of languages, especially functional programming languages, are waiting in the wings to be the next great C# or Java replacement— or at least an alternative. One of these is called Scala.

As other devotees of functional programming, he singles out the strong typing present in main functional languages – F#, Haskell and Scala – although it also exists in some conventional languages.

Obviously a JVM stack developer is going to know Java. But in this world of polyglot programming, knowing a bit of JavaScript, Ruby and Scala as well is a must. In fact, it might even make you a ...