Developing the Model or View-Helper JavaBeans
You will now develop view-helper JavaBeans for the presentation layer. The view-helper beans represent the different entities in our application. The class diagram for the entities is shown in Figure 7.4.
Figure 7.4. Class diagram of the AuctionStation model created in TogetherSoft's Together/J
The model represents relationships between the interacting entities. In this model, the classes correspond directly to a table in the schema. The attributes of the classes map to columns in their respective tables. Additional methods will also be added as convenience methods for use by the JSP.
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