While the application I described above is only a small sample, it shows basic principles of class framework design and implementation in any modern object-oriented language. It also shows how initial complexity (when building business classes themselves) pays off as soon as front-end development begins. A well-designed framework of classes may not only help separate the workload of front- and back-end application developers, but also save significant development time in the long run.
Over the course of last few years, many large-scale projects (mostly written in Java or C++) have proven that class frameworks are the most effective approach to many complex programming solutions. That’s the reason behind such architecture components as Application and Transaction Servers, as well as thousands of custom class libraries available as programming tools.
As new feature in both VB.NET and C#, this will clearly appeal to those who currently create object-oriented applications in Java and C++.
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