Count of Smaller Numbers After Self

class Solution {
    public List<Integer> countSmaller(int[] nums) {
        List<Integer> res = new ArrayList<>();
        int count = 0;
        for(int i = 0; i<nums.length; i++){
            count = 0;
            for(int j  = i + 1; j<nums.length; j++){
                if(nums[j] < nums[i]){
                    count++;
                }
            }
            res.add(count);
        }
        //res.add(0);
        return res;
    }
}