Clean Architecture? Clean Code? Refactoring? Tests? What does this change in my code?

on YouTube ↗23m

" summary

Practical rundown of what changes in code: concrete Java and Spring Boot examples show a simplified clean‑architecture microservice with clients/domain/service layers, translators (interface adapters), and repository gateways; clear refactoring triggers: refactor during code review or when adding a feature or fixing a bug and keep behavior identical while extracting methods, replacing magic numbers with constants, moving responsibilities and reducing long parameter lists; testing details cover JUnit/Jupiter unit and integration tests, JSON assertions and WebFlux endpoint checks, plus why tests act as living documentation and when technical debt blocks progress.

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" chapters (7)

1. 0:00Introduction to talk
2. 0:32What is clean code?
3. 2:19Code smells explained
4. 4:56Refactoring fundamentals
5. 9:50Unit testing basics
6. 13:25Clean architecture overview
7. 21:10Conclusion and key takeaways

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