Is it better to return null or empty collection?

Question

That\'s kind of a general question (but I\'m using C#), what\'s the best way (best practice), do you return null or empty collection for a method that has a collection as a

Answer 1

We had this discussion among the development team at work a week or so ago, and we almost unanimously went for empty collection. One person wanted to return null for the same reason Mike specified above.