The Art of Doing Code Refactor

R M Shahidul Islam Shahed
3 min readNov 9, 2023

Code refactoring is the practice of restructuring and improving the internal structure of existing code without changing its external behavior. The primary goal of code refactoring is to enhance code quality, readability, and maintainability. It involves making changes to the codebase to simplify its design, eliminate redundancies, improve naming conventions, and overall make the code easier to understand and work with.

The Art of Doing Code Refactor

Here are key aspects of the art of code refactoring:

Why Refactor?

  • Code Quality: Refactoring enhances the quality of code by removing redundancies, improving design, and eliminating technical debt.
  • Readability: It makes code more readable and easier to understand, reducing the likelihood of introducing bugs.
  • Maintainability: Well-reactored code is easier to maintain and extend, reducing the cost of future changes.
  • Performance: In some cases, refactoring can improve code performance by optimizing algorithms or data structures.

Types of Refactoring

  • Extract Method: Break down long methods into smaller, more focused ones.
  • Rename Variables and Functions: Improves code clarity by using descriptive names.
  • Remove Duplication

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