If I’m using an ArrayList in C#.NET, is the order guaranteed to stay the same as the order I add items to it?
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If I’m using an ArrayList in C#.NET, is the order guaranteed to stay the same as the order I add items to it?
Yes, elements are always added to the end (unless you specify otherwise, e.g. with a call to Insert). In other words, if you do:
The position will change if you remove any earlier elements or insert new elements ahead of it, of course.
Is there any good reason for you to use
ArrayListrather thanList<T>by the way? Non-generic collections are so 2003…(The order is stable in
List<T>as well, by the way.)