Summary

Refactoring becomes a very important part of your coding life cycle, as it is the one responsible for keeping your code clean. Keeping your code clean is very important, as it improves the readability of the code. It also has other advantages in that it makes your code simple and reduces code duplication. It could reduce the number of lines in the code, thus reducing the size of your whole final product. First, you need to understand and learn where your code smells and what smell your code has. Then, apply the right refactoring technique to remove the code smell. Thus, understanding the refactoring methods turns out to be crucial.