Useful for getting used to syntax
Reading people talk about Scala is a great way to learn. I learned so much over the years by just reading reddit.
These are not Scala specific but they talk with people who write Scala or talk about general functional programming concepts.
Handy sources to help you when you think "how can I do X?"
Underscore books are super easy to just pickup and go. FP in Scala (red book) is recommended if you want some challange.
Mark Lewis has great videos on Scala (even on big data) and DevInsideYou makes videos that dives deep into Scala's guts.
- Coursera - Functional Programming in Scala Specialization
- YouTube - Mark Lewis
- YouTube - DevInsideYou
Can be used as immersion material.