About Java: IMHO, Java has been a very popular (most popular?) programming language for a while, especially in enterprises. I think that the rise of Java's pre

About Java: IMHO, Java has been a very popular (most popular?) programming language for a while, especially in enterprises. I think that the rise of Java's presence on GitHub is not so much an increase in Java's popularity, but rather likely a reflection of some companies to be more willing to outsource some parts of their technology stack and commit/post to GitHub. And also, there are an emerging class of open-source enterprise applications written in Java (Hadoop, HBase and their ilk in Big Data come to mind) which are huge open-source applications and based on Java. Those are likely driving that trend as well.