I measured Collections.sort and it was ver close to C++ std:sort in performance, while C qsort was about 10x slower. It outperforms qsort for the same reason C+

I measured Collections.sort and it was ver close to C++ std:sort in performance, while C qsort was about 10x slower. It outperforms qsort for the same reason C++ does it - the call to comparison function is inlined.