Hackerrank , 30 Days of Code Challenges ( Day 19 Solution)

 Day 19: Interfaces   :


//Write your code here
class Calculator implements AdvancedArithmetic
    {

    public int divisorSum(int n)
        {
        int sum=0;
        for(int i=1 ; i<=n;i++)
            {
            if(n%i==0)
                sum+=i;
        }
        return sum;
    }
}