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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.