Find Numbers with Even Number of Digits

给一个数组, 找到里面位数为偶数的数字的个数.

class Solution {
    public int findNumbers(int[] nums) {
        int count = 0;
        for(int n : nums) {
            if(check(n)) {
                count++;
            }
        }
        return count;
    }
    
    private boolean check(int n) {
        int count = 0;
        while(n != 0) {
            count++;
            n /= 10;
        }
        return count % 2 == 0;
    }
}