[alcover]

  > Language Implementation Patterns

I hear the code examples are in Java. I think that's unfortunate. (And a bit ironic about your post).

[vips7L]

If you actually take the time to read the book Bob explains the choice.

And fwiw modern Java is decently expressive without adding the unneeded complexity of Scala or something similar.

edit: replied to the wrong post. /shrug