Contrary to popular belief, Uni computer science is not a holiday, they use C, C++, Assember and stuff like Haskell. They teach supporting stuff in mathermatics and predicate / first order logic.
Python with its extensive choice of libraries is replacing MatLab on the physics / science courses, and it is quite suitable for that role.
C++ is seeing the benefit of Qt now, because Qt goes some way to addressing the Linux gui fragmentation problem. Qt is available for Python but the c++ is more native. How many times I’ve heard “ffs, not tomcat again”
Java is a total turd, horrible outdated piece of crap, which is becoming more and more stigmatised and increasingly rejected since it started to carry the Larry spike.
I am amazed to see that PHP is still a thing on Tiobe. I had forgotten it existed.