Quote:
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If you already know Java you're well on your way
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Caveat this with "sorta", as in the concepts of loops, logic, etc all work very similarly between Java and C++.
Yet in Java you can't pass by reference, do void pointers, reference a method as a memory location, do shared memory across processes, etc. Some of this makes for nifty-efficient robot code, some of it doesn't. None of it matters for getting started in FRC, however. So long as the code runs the robot, 5-10% efficiency doesn't really matter.
More
stuff here for those who
think they know Java. I sure learned several new things on that page, and I program both Java & C++ for a living.