count even digits

public static int digits(int n) {
        int count1 = 0;
        int count2 = 0;

        while (n > 0) {
            int d = n % 10;
            n /= 10;

            if (d % 2 == 0)
                count2++;
            else
                count1++;
        }

        if (count1 == count2)
            return 0;

        if (count1 > count2)
            return 1;

        return 2;
    }