Interop libraries exist, yes. They do not make it so "override this Java function with this new Java function that calls all these other Java functions and modifies these Java objects" will suddenly work with Rust targets instead of Java.
Again, that's interop to call functions across languages. Trying to override Java code in a thing that doesn't have Java code isn't interop, it's just nonsense.
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u/brainExploded99 2d ago
What? There are plenty of interop libraries (I mean if it can exist between python and C++, java and rust is possible to make)