Given the array of technologies supported by the J2EE platform, how is a developer to choose among them to create an application such as WebAuction?
The first task, of course, is to create a functional specification that describes exactly what the application is supposed to do.
For WebAuction, we started with the mental model of a “web auction” site similar to existing auction sites on the Internet. Functionally, the WebAuction application supports:
Secure user registration
Email validation of user's login credentials
Browsing, for both registered and unregistered users
Browsing by category for auction items (with some minor searching functionality)
Email confirmation of bids
Viewing open bids
The J2EE services introduced ...