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Most JVM implementations are around 80% Java with some C++ for the JIT/AOT and GC, GraalVM and JikesRVM have even bigger percentage.

It is an illusion to use JVM without touching or understanding Java works.

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I mean, I know tons of Scala and Clojure devs who don’t touch Java at all in their day to day work. I don’t think the user(s) above were referring to the implementation of the JVM.

Then something blows on their face and they are completely lost, because they don't know what powers their code or the boilerplate magic that they generate to pretend to be Java for the JVM.

I have seen a couple of those guys, where I get called to sort out their problems.

But this is still compatible with Java slowly dying. It is possible that in a future Java role in the JVM will share some similarities with C's role in CPython.

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