// Exercise4_2.java: Create a method for summarizing digits in an int
public class Exercise4_2
{
  public static void main(String[] args)
  {
    System.out.println("the sum of digits for 234 is "+sumDigits(234));
  }

  public static int sumDigits(long n)
  {
    int temp = (int)Math.abs(n);
    int sum = 0;

    while (temp != 0)
    {
      int remainder = temp%10;
      sum += remainder;
      temp = temp/10;
    }

    return sum;
  }
}