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Microsoft® Visual Basic® 2010 Developer’s Handbook by Klaus Löffelmann and Sarika Calla Purohit

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Comparing Objects and Data Types

In the real world, objects are things that you might or might not be able to touch, but you can at least describe them in some way. Take for example a bucket: you can clearly picture it in your mind, but you fail to imagine a repository per se, because it’s not concrete enough a definition. The only way to think about it is to manifest it into something defined: If your repository becomes a drawer, a bowl, a can, or a bottle, you’d be able to picture it in your mind. But you can’t think of just a repository. It’s the same in programming, with some slight differences: objects are abstract entities. Apart from threads, which we’ll discuss later in the book, they are pretty much the most abstract entities known in ...

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