Apache Maven Beginner to Guru - Conclusion "Alternate JVM Languages"

The video tutorial discusses the selection of a few key programming languages from a vast array, focusing on the top three. It highlights the availability of multiple plugins for language compilation, specifically mentioning Groovy. The course aims to serve as a practical guide for implementing alternate JVM languages in Maven projects, providing a quick reference to get up to speed with these languages.

What does the speaker mean by 'best of breed' in the context of language selection?

What can learners expect to find in the course regarding alternate JVM languages?