Clean Code: Principles and Practices for Maintainable Software

Clean Code Fundamentals

Clean code is readable, maintainable, and extensible.

SOLID Principles

Single Responsibility

One reason to change.

Open/Closed

Open for extension, closed for modification.

Liskov Substitution

Subtypes replaceable for base types.

Interface Segregation

Small, specific interfaces.

Dependency Inversion

Depend on abstractions.

Clean Code Practices

1. Meaningful names
2. Small functions
3. Single level of abstraction
4. Minimize comments
5. Handle errors gracefully

Code Smells

• Long methods
• Large classes
• Feature envy
• Duplicate code

Conclusion

Clean code reduces technical debt and improves team velocity.