Refactoring with Existing Tests | SDL4 A5.1 |

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Refactoring is the process of restructuring your code without changing its external behaviour. It preserves the software's functionality, but improves its design and structure. In this video, you'll learn how to simplify a codebase through refactoring.

Select the 'play' button to start and, when you're ready, click on 'next step' to move onto the next section.

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