Should Enterprise Java entities be dumb?

Question

In our legacy Java EE application, there are loads of value object (VO) classes which typically contain only getters and setters, maybe equals() and hashC

Answer 1

Beyond the Fowler article mentioned earlier, there is a full treatise on rich vs. anemic domain models in Eric Evans's book Domain Driven Design(2004).

Also, check out http://ffffdcommunity.org/