Code Smells

Typical Code Smells

While doing daily development in various project we often found lots of coding standard problem, we just don’t know the appropriate vocabulary for that, Today I am providing a list of all code smells that can be found in codes, We would elaborate and learn about each code smell.
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Dead Code

The code that is no longer needed and no longer used by any function or procedure is a dead code. You would be surprised to know how many dead code exists in your project when you take a close look at the project file. of course you wouldn’t know just by looking at it. some of them are pretty hard to find.
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Technical Debt

Technical debt (also known as design debt or code debt) is a neologistic metaphor referring to the eventual consequences of poor software architecture and software development within a codebase. The debt can be thought of as work that needs to be done before a particular job can be considered complete. As a change is started on a codebase, there is often the need to make other coordinated changes at the same time in other parts of the codebase or documentation. The other required, but uncompleted changes, are considered debt that must be paid at some point in the future.
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Duplicate code

Duplicate code is one of the most common code smell we have in our codebase. Its simply we don’t care that much about reusing, we know how to reuse objects, functions, even solutions or component but we are some what careless about removing duplicate code. You would be surprised to know that what amount of duplicated code exists and what are those? Off course there are some obvious techniques to eliminate those.
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Comment

Sounds like some thing is been told wrong, yes you guys heard right, comment is one kind of smell. The days of well documented code with comment are gone, now time has changed and new agile wind is flowing, as a result comments are now considered as code smell. How Comment is smell? Who would have thought
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Long method

You wont find a single project where long method code smell is not present. I find often this code smell often in my projects, and developers do not deliberately introduce long methods, it just got introduced along the way when we introduce features. What happen when you find a long method? You wonder why is this method is so long. You try to understand what the code is doing
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