find-numbers-with-even-number-of-digits

class Solution {
    public int findNumbers(int[] nums) {
        int count = 0;

        for (int i = 0; i < nums.length; i++) {
          int ans = countNumberOfDigits(nums[i]);
          if(ans % 2 == 0 ){
              count++;
          }
        }

        return count;
    }

    private int countNumberOfDigits(int num) {
        int count = 0;
        while(num>0){
            num/=10;
            count++;
        }
        return count;
        
    }
}