I'm studying the Cade's book for an example of the class diagram. In Cade's book, the class diagram seems to be based upon the business model alone. Just wondering if this level of detail is appropriate. Don't we need to show DAO classes, Service Locator, Session Facades ..etc in the class diagram? And also do we need to show the detailed attributes and accessor methods?
Class diagrams are supposed to be implementation independent ie whether you use a j2ee system or vb, they will not change. For the architecture exam, however, you can add some stateless beans(like customermanager, transactionprocessor etc) to strengthen a j2ee solution. All specific j2ee components will be in component diagram ONLY.
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