I feel it is impossible to figure out the UI MVC page flow if you have not really programmed any thing about JSP/Servlets.
The EJB is very simple to understand. In UML level it is just like static methods.
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posted 11 years ago
Based on the use cases, you can sketch out a site map on paper with representative screens. Now you can apply the MVC pattern to understand the page flows and to identify various business methods that you will need.