I'm a bit confused what should be returned by finders that return
multiple objects. In the EJB 1.1 specs, it is stated an empty collection
should be returned. However, in the JavaDocs for
ObjectNotFoundException, it is stated a null collection should be
returned. My understanding is null collection is null, and an empty
collection is a collection with zero elements. So which should I return
(I prefer the empty collection approach, as it simplifies both the bean
and client implementations)?

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