Scala is one of the most attractive programming languages out right now. There is a lot of hype around it and programmers world-wide are publicly recognizing it as the possible next big thing in programming. Here's why. Scala is all about functional programming in an object oriented context. It tries to take the best of both worlds and combine them into a highly efficient, intelligent, and relatively easy to understand language. Right now it is the leader in today's renaissance of functional programming languages.