How exactly are they not simple? Well, not C# because it has a problem with a bit of a feature creep similar to C++, but Java is a really tiny language compared to.. anything.
And you don’t have to be a master of the JVM because chances are you are not a gcc/clang maintainer and yet you can write performant-enough correct code.
And you don’t have to be a master of the JVM because chances are you are not a gcc/clang maintainer and yet you can write performant-enough correct code.