I am working on my assignment and I am trying to keep class diagram restricted to one page. I have EJBs, Delegates, daos and domain objects defined. I don't see place to put in value objects. These value objects if shown will be parameters in method calls. Is it acceptable to omit showing parameters in method calls for this assignment? And also I am planning to omit value objects.
I still show parameters in DAOs as they mostly use domain objects.
You can create class diagrams as big as it is required. But remember the digram should be clear and easily readable. If your diagram is easily readable it dosent matter how big it is. Also donot leave any thing in the class diagram like method parameter, value objects etc they should be in the class diagram.
Also provide some notes\comments for each and every class\ejb\dao\helper classes etc in the class diagram. by providing this, it is easier for the examiner understand the diagram.