I don't think that is implied in the article, so much as the fact(?) that fully understanding one requires a healthy understanding of the other. Question mark

I don't think that is implied in the article, so much as the fact(?) that fully understanding one requires a healthy understanding of the other. Question mark b/c I don't know Scala, but as it is a JVM language my guess is that you would need to know a bit about Java and the JVM to really grok it.