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In this discussion, we will talk about object oriented programming in vb.net. In the Object Oriented terminology, we will talk about abstraction and encapsulation in the context of Visual Basic. The concepts may be useful to many coders, but I have presented the content with beginners in mind. We start with creating a class in Visual Studio and then write some code while discussing various concepts like classes and objects, access types (public, private and friend), properties (and paramterized properties), methods, events, instantiation, enumerations and so on.

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What is the meaning of term ‘Object Oriented’ and what is the need for it? To understand this first tell me what do you do when the battery (cell) of your torch (or any other device) runs out? Probably, you simply replace the battery with a new one. Is it? Now, what do you think, you know everything about the battery and the torch? I mean their architecture, functionality, etc.? If, by any chance, you know then does everybody who replaces the battery know about the details of the battery and the device? Obviously not.

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