Number length

public class NumberLength {

    public static void main(String[] args) {

        System.out.println(average(1,2,3,4,5,6));

    }

    public static int average(int... numbers)

    {

        int total=0,a = 0;

        for (int i=0;i<numbers.length;i++)

        {

            a=numbers[i]+a;

        }

        return a;

    }

}