>>It doesn't like this line:
>>
>>
>>ArrayList list = new ArrayList() { "One", "Two", "Three" };
>>
>>Do you know how can I fix it?
>>
>
>What does the error message say?
>
>I'm going to guess you are missing:
>
>using System.Collections;
>
>Add that to the top of the .cs file.

I think the problem is that she is using an ArrayList instead of an Array. AFAIK, you can't add items to an ArrayList like she is trying.