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Explain code refactoring with suitable example.

Agile Refactoring: Cleaning Up Code for Better UI/UX

What is Code Refactoring?

  • Improving internal code structure without changing external behavior.
  • Enhancing readability, maintainability, and efficiency.
  • Not adding new features; solely focusing on internal improvements.

Why Refactor? – Agile Perspective

  • Improves team velocity in sprint cycles.
  • Reduces technical debt and prevents future bugs.
  • Enhances collaboration and understanding of codebase.
  • Supports faster UI/UX iterations by providing a stable foundation.

Example: Refactoring a Navigation Menu

  • Initial Code (Poor): Nested `if-else` statements, difficult to modify or extend. Large functions handling multiple menu aspects.
  • Refactored Code (Improved): Uses a more modular approach with separate functions for menu generation, item selection handling and display. Data stored in easily modifiable data structures.

UI/UX Impact of Refactoring

  • Easier to implement UI changes - Refactored code simplifies UI updates, such as adding new menu items.
  • Improved performance - Cleaner code leads to faster loading times and a smoother user experience.
  • Enhanced maintainability - Easier to fix bugs and update features quickly, resulting in faster UI updates and improved UX.
  • Better collaboration between developers and designers.
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