Scala

Free
Stairway to Scala - Setup Instructions

Set up environment and developer tools for enrolling in the Stairway to Scala training

HDPCD:Spark using Scala

Prepare for Hortonworks HDP Certified Developer - Spark using Scala as programming language

Apache Spark with Scala - Mastering Big Data!

Learn analyzing big data with Apache Spark and Scala by 12+ hands-on examples