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Writing Clean Code - 20 Common Code Smells and How to Avoid Them

Identify and Eliminate the Most Common Code Smells for Better Code Quality

LM Academy

Created by LM Academy

Discover how to spot and fix 20 of the most common code smells that can slow down development and make software harder to maintain. Learn practical refactoring techniques and design principles to write cleaner, more efficient code that stands the test of time.

Packt | Feb 2025 | 359 min

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LevelIntermediate
CategoriesSoftware Engineering and Architecture, Software Development Best Practices

What You Will Learn

You'll work through practical examples that show how to recognize code smells and refactor them using clear, step-by-step strategies. Each topic breaks down the problem, explains why it matters, and guides you through effective solutions. By practicing these techniques, you'll gain confidence in writing and maintaining high-quality code.

Key Features

  • Quickly identify and refactor 20 common code smells in real-world projects
  • Apply SOLID principles to boost code readability and maintainability
  • Use proven strategies to reduce technical debt and improve software quality

Target Audience

Perfect for software developers and engineers who want to improve code quality and maintainability. If you have a basic grasp of programming and object-oriented design, you'll benefit from learning how to spot and fix code smells, whether you're working with legacy systems or building new applications.

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