The easiest way to design a Struts portlet application is by using the Web diagram editor. You will then realize the Web page nodes that you created in the diagram by launching the proper Rational Application Developer wizards.
You can also use the File → New command on the top menu, or the options in the context menus, but the Web diagram gives you a good overview of how the different pages and actions interact in the Struts portlet application.
Follow these steps to design the MyFirstStruts portlet application:
Make sure you have the Web perspective as active.
In the Project Explorer view, double-click the Web Diagram.
This Web diagram opens. Read about how to add and connect nodes.