Sum digits of a string.

gistfile1.txt

import static java.lang.Integer.parseInt;

public class CodingGame {
    public static void main(String[] args) {
        String number = "34267";

        int result = 0;
        int oddSum = 0;
        for (int idx = 0; idx < number.length(); idx++) {
            int digit = parseInt(number.charAt(idx) + "");

            if (idx % 2 == 0) {
                oddSum += digit;
            } else {
                result += digit;
            }
        }

        result += (oddSum * 3);
        if (result % 10 != 0) {
            result -= 10;
        }

        System.out.printf("RESULT = %d%n", result);
    }
}