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Improved application development: Part 2, Developing solutions with Rational Application Developer

Nathaniel T. Schutta, Software developer, Studio B
Nathaniel T. Schutta, a Studio B author, is a software developer with extensive experience in the financial services industry, primarily developing Java-based Web applications. A self-proclaimed JUnit evangelist, he has contributed to two corporate Java frameworks, led several study groups, served as a mentor, and developed training materials. A Sun Certified Web Component Developer for the Java 2 Platform Enterprise Edition 1.4, Nathaniel's primary focus is on developing usable, intuitive user interfaces.

Summary:  Move from modeling your use cases to building the components of your application. Learn how Rational Application Developer enables you to create class diagrams while generating much of the template code for your components. With this outline in hand, add application-specific implementation code that extends the original model, which you will test in the final part of this tutorial by deploying your code to WebSphere, working through any bugs before moving to more formal testing.

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Date:  28 Jun 2005
Level:  Intermediate PDF:  A4 and Letter (761 KB | 30 pages)Get Adobe® Reader®

Activity:  2405 views
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Summary

In this tutorial, you've taken your requirements and started building your application. The IBM Software Development Platform lets you easily and quickly model your use cases while at the same time generating the majority of the "plumbing" code, freeing you to focus on the business methods that your customers need. Working with both the model and the code, you saw how changing one was reflected in the other.

When you finished the code, you deployed your beans into the WebSphere environment, where you can polish your code and iron out bugs before your code is released for formal testing. The tight integration of WebSphere and the development environment greatly simplifies the move to testing.

As you move into the next phase -- testing and change requests, which is the topic of Part 3 of this series -- you'll begin to see the model taking shape. At the same time, the original requirements and functionality of the system will head closer to their final format.

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