As a Scala newbie starting to work with Spark does it make more sense to learn Scala 2 or Scala 3?

[Oliver Plohmann <ol...@objectscape.org>]

Hello,

I was lucky and will be joining a project where Spark is being used in 
conjunction with Python. Scala will not be used at all. Everything will 
be Python. This means that I have free choice whether to start diving 
into Scala 2 or Scala 3. For future Spark jobs knowledge of Scala will 
be very precious (the job ads here for Spark always mention Java, Python 
and Scala.

I was always interested in Scala and because it is a plus when applying 
for Spark jobs I will start learning and develop some spare time project 
with it. Question is now whether first to learn Scala 2 or start right 
away with learning Scala 3. That also boils down to the question whether 
Spark will ever be migrated to Scala 3. I have way too little 
understanding of Spark and Scala to be able to make some reasonable 
guess here.

So that's why I'm asking here: Does anyone have some idea whether Spark 
will ever be migrated toScala 3 or have some idea how long it will take 
till any migration work might be started?

Thank you.


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