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So this incomprehensible file at the end of article, that supposed to be "lean" is what the author is fighting for?

And it supposed to show 'architecture'?

Wow. I am happy that I never started working with Java. That is terrible.

This article has nothing to do with Java, and the author explicitly states that.

But somehow all the examples involve it.

In the article, yes. Look at the other comment threads in this discussion though: they touch upon many other languages.