fn main()

If you are really looking to develop some spark projects, the easiest and best option would be eclipse with Maven which gives all framework ...

The beauty of open source projects is that if you try to learn it , it will take you through lot of subject areas that you never heard about...

I am not sure much uses of Apache Spark. But thought of installing and play around . https://www.mapr.com/blog/game-changing-real-time-use-...