What Is Object-Oriented Programming and Why Is it Important?

Ask almost any .NET guru what skills a Visual Basic 6.0 programmer needs to succeed with .NET and they will list Object-Oriented Programming (OOP) near the top of the list. Often they will even comment that it is the hardest part of .NET for Visual Basic developers to understand, because it is new to them. Well, I agree with the first of these comments, but not the second. Visual Basic programmers have been working with objects, properties, methods, and even interfaces for quite a long time; it certainly isn't new to them. What has changed though is that OOP has gained a higher profile for the Visual Basic programmer; the .NET Framework takes full advantage of OOP concepts such as interfaces ...

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