Java Programming - JVM vs NVM Heap

The java world uses on an off heap, which drives me crazy. It is just a legacy of java thinking from years ago that is inaccurate in terms of what it's describing. I think you can intuitively see, like j v m heap, you don't have to call free on and anything from the native heap, you have to account for how you're going to get rid of it. But i think both of those are, i mean, if you take any given programme in existence and you want the most efficient representation for it, it's going to be some mix between garbage collected code and some non-garbage collected code. And not having that has, in my opinion,