I've enrolled on Functional Programming Principles in Scala class at Coursera and it seems the official IDE for the class is Eclipse. However, I started to hate it only after a few hours of using it because it kept freezing and I had to force quit it over and over.
Since I am a fan of Jetbrains IDEs (I use both RubyMine and PhpStorm) I wanted to give IntelliJ a shot. Fortunately, IntelliJ Community Edition, which is free, supports Scala through a plugin, but it was a little tricky for a beginner to see my first Scala "Hello, World!" running. Thanks for the FP class forum members, I could finally figured out how to do. Here I would like to share.
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