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+The concept of bad smells. What are bad smells? Well, we
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+mentioned earlier that refactoring is typically applied when there is something
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+that does not look right, does not feel right in the
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+code. And that's exactly what bad smells are. Bad smells, or
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+code smells if you wish, are symptoms in the code of
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+a program that might indicate deeper problems. So there might be
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+parts of my system, classes in my systems, that just don't
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+smell right, and it feels like there's, there might be something wrong
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+with them. And if you are an experienced developer just like Brad,
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+you'll be able to figure out there is something wrong with the
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+classes. You'll be able to smell that there's something wrong and you'll
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+do something about it. And I want to mention one more, just to make
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+sure that we're all on the same page here. That these bad
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+smells are usually not bugs and don't prevent the program from functioning. They
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+however indicate weaknesses in the design of the system that might cause
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+problems during maintenance. In other words,
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+they might make the code less maintainable,
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+harder to understand, and so on. Just like refactorings,
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+there's also many possible different bad smells. So what
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+I'm providing here is just a possible list of
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+some very common bad smells. And you can find plenty
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+of information on this online. So what I want
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+to do next is just to cover before finishing the
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+lesson a few of those to show you some
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+examples of smells and what you can do about them.