C# sort Arraylist strings alphabetical and on length

Question

I\'m trying to sort an ArrayList of String.

Given:

{A,C,AA,B,CC,BB}

Arraylist.Sort gives:

Answer 1

You could create an IComparable class taking in two Strings and sort them as follows:

if (a.Length == b.Length)
    return String.Compare(a, b);
return a.Length.CompareTo(b.Length);

You may also want to handle null cases.