Comparator won't work with Arrays.sort

Question

So I\'m working on a comparator problem and I can\'t figure out why the Array.sort in this first class is giving me the error of:

The method

Answer 1

Arrays.sort(elist, new CalorieComparator());

You are calling a sort() of Arrays class with ArrayList, ArrayList belongs to Collection family not an Array.

your error will resolved if you use Collectinss.sort()