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Description: WorkingEffectivelyWithLegacyCode Study. Contribute to WBBookStudy/WorkingEffectivelyWithLegacyCode development by creating an account on GitHub.

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Mail addresses
mobiledev@kakao.com
jhkman1208@gmail.com

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104 Commits	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/commits/main/
	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/commits/main/
01. 소프트웨어 변경	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/01.%20%EC%86%8C%ED%94%84%ED%8A%B8%EC%9B%A8%EC%96%B4%20%EB%B3%80%EA%B2%BD
01. 소프트웨어 변경	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/01.%20%EC%86%8C%ED%94%84%ED%8A%B8%EC%9B%A8%EC%96%B4%20%EB%B3%80%EA%B2%BD
02. 피드백 활용	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/02.%20%ED%94%BC%EB%93%9C%EB%B0%B1%20%ED%99%9C%EC%9A%A9
02. 피드백 활용	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/02.%20%ED%94%BC%EB%93%9C%EB%B0%B1%20%ED%99%9C%EC%9A%A9
03. 감지와 분리	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/03.%20%EA%B0%90%EC%A7%80%EC%99%80%20%EB%B6%84%EB%A6%AC
03. 감지와 분리	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/03.%20%EA%B0%90%EC%A7%80%EC%99%80%20%EB%B6%84%EB%A6%AC
04. 봉합 모델	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/04.%20%EB%B4%89%ED%95%A9%20%EB%AA%A8%EB%8D%B8
04. 봉합 모델	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/04.%20%EB%B4%89%ED%95%A9%20%EB%AA%A8%EB%8D%B8
05. 도구	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/05.%20%EB%8F%84%EA%B5%AC
05. 도구	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/05.%20%EB%8F%84%EA%B5%AC
06. 고칠 것은 많고 시간은 없고	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/06.%20%EA%B3%A0%EC%B9%A0%20%EA%B2%83%EC%9D%80%20%EB%A7%8E%EA%B3%A0%20%EC%8B%9C%EA%B0%84%EC%9D%80%20%EC%97%86%EA%B3%A0
06. 고칠 것은 많고 시간은 없고	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/06.%20%EA%B3%A0%EC%B9%A0%20%EA%B2%83%EC%9D%80%20%EB%A7%8E%EA%B3%A0%20%EC%8B%9C%EA%B0%84%EC%9D%80%20%EC%97%86%EA%B3%A0
07. 코드 하나 바꾸는 데 왜 이리 오래 걸리지?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/07.%20%EC%BD%94%EB%93%9C%20%ED%95%98%EB%82%98%20%EB%B0%94%EA%BE%B8%EB%8A%94%20%EB%8D%B0%20%EC%99%9C%20%EC%9D%B4%EB%A6%AC%20%EC%98%A4%EB%9E%98%20%EA%B1%B8%EB%A6%AC%EC%A7%80%3F
07. 코드 하나 바꾸는 데 왜 이리 오래 걸리지?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/07.%20%EC%BD%94%EB%93%9C%20%ED%95%98%EB%82%98%20%EB%B0%94%EA%BE%B8%EB%8A%94%20%EB%8D%B0%20%EC%99%9C%20%EC%9D%B4%EB%A6%AC%20%EC%98%A4%EB%9E%98%20%EA%B1%B8%EB%A6%AC%EC%A7%80%3F
08. 어떻게 기능을 추가할까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/08.%20%EC%96%B4%EB%96%BB%EA%B2%8C%20%EA%B8%B0%EB%8A%A5%EC%9D%84%20%EC%B6%94%EA%B0%80%ED%95%A0%EA%B9%8C%3F
08. 어떻게 기능을 추가할까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/08.%20%EC%96%B4%EB%96%BB%EA%B2%8C%20%EA%B8%B0%EB%8A%A5%EC%9D%84%20%EC%B6%94%EA%B0%80%ED%95%A0%EA%B9%8C%3F
09. 뚝딱! 테스트 하네스에 클래스 제대로 넣기	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/09.%20%EB%9A%9D%EB%94%B1!%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%ED%95%98%EB%84%A4%EC%8A%A4%EC%97%90%20%ED%81%B4%EB%9E%98%EC%8A%A4%20%EC%A0%9C%EB%8C%80%EB%A1%9C%20%EB%84%A3%EA%B8%B0
09. 뚝딱! 테스트 하네스에 클래스 제대로 넣기	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/09.%20%EB%9A%9D%EB%94%B1!%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%ED%95%98%EB%84%A4%EC%8A%A4%EC%97%90%20%ED%81%B4%EB%9E%98%EC%8A%A4%20%EC%A0%9C%EB%8C%80%EB%A1%9C%20%EB%84%A3%EA%B8%B0
10. 테스트 하네스에서 이 메소드를 실행할 수 없다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/10.%20%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%ED%95%98%EB%84%A4%EC%8A%A4%EC%97%90%EC%84%9C%20%EC%9D%B4%20%EB%A9%94%EC%86%8C%EB%93%9C%EB%A5%BC%20%EC%8B%A4%ED%96%89%ED%95%A0%20%EC%88%98%20%EC%97%86%EB%8B%A4
10. 테스트 하네스에서 이 메소드를 실행할 수 없다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/10.%20%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%ED%95%98%EB%84%A4%EC%8A%A4%EC%97%90%EC%84%9C%20%EC%9D%B4%20%EB%A9%94%EC%86%8C%EB%93%9C%EB%A5%BC%20%EC%8B%A4%ED%96%89%ED%95%A0%20%EC%88%98%20%EC%97%86%EB%8B%A4
11. 코드를 변경해야 한다. 어느 메소드를 테스트해야 할까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/11.%20%EC%BD%94%EB%93%9C%EB%A5%BC%20%EB%B3%80%EA%B2%BD%ED%95%B4%EC%95%BC%20%ED%95%9C%EB%8B%A4.%20%EC%96%B4%EB%8A%90%20%EB%A9%94%EC%86%8C%EB%93%9C%EB%A5%BC%20%ED%85%8C%EC%8A%A4%ED%8A%B8%ED%95%B4%EC%95%BC%20%ED%95%A0%EA%B9%8C%3F
11. 코드를 변경해야 한다. 어느 메소드를 테스트해야 할까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/11.%20%EC%BD%94%EB%93%9C%EB%A5%BC%20%EB%B3%80%EA%B2%BD%ED%95%B4%EC%95%BC%20%ED%95%9C%EB%8B%A4.%20%EC%96%B4%EB%8A%90%20%EB%A9%94%EC%86%8C%EB%93%9C%EB%A5%BC%20%ED%85%8C%EC%8A%A4%ED%8A%B8%ED%95%B4%EC%95%BC%20%ED%95%A0%EA%B9%8C%3F
12. 클래스 의존관계, 반드시 없애야 할까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/12.%20%ED%81%B4%EB%9E%98%EC%8A%A4%20%EC%9D%98%EC%A1%B4%EA%B4%80%EA%B3%84%2C%20%EB%B0%98%EB%93%9C%EC%8B%9C%20%EC%97%86%EC%95%A0%EC%95%BC%20%ED%95%A0%EA%B9%8C%3F
12. 클래스 의존관계, 반드시 없애야 할까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/12.%20%ED%81%B4%EB%9E%98%EC%8A%A4%20%EC%9D%98%EC%A1%B4%EA%B4%80%EA%B3%84%2C%20%EB%B0%98%EB%93%9C%EC%8B%9C%20%EC%97%86%EC%95%A0%EC%95%BC%20%ED%95%A0%EA%B9%8C%3F
13. 변경해야 하는데, 어떤 테스트를 작성해야 할지 모르겠다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/13.%20%E1%84%87%E1%85%A7%E1%86%AB%E1%84%80%E1%85%A7%E1%86%BC%E1%84%92%E1%85%A2%E1%84%8B%E1%85%A3%20%E1%84%92%E1%85%A1%E1%84%82%E1%85%B3%E1%86%AB%E1%84%83%E1%85%A6%2C%20%E1%84%8B%E1%85%A5%E1%84%84%E1%85%A5%E1%86%AB%20%E1%84%90%E1%85%A6%E1%84%89%E1%85%B3%E1%84%90%E1%85%B3%E1%84%85%E1%85%B3%E1%86%AF%20%E1%84%8C%E1%85%A1%E1%86%A8%E1%84%89%E1%85%A5%E1%86%BC%E1%84%92%E1%85%A2%E1%84%8B%E1%85%A3%20%E1%84%92%E1%85%A1%E1%86%AF%E1%84%8C%E1%85%B5%20%E1%84%86%E1%85%A9%E1%84%85%E1%85%B3%E1%84%80%E1%85%A6%E1%86%BB%E1%84%83%E1%85%A1
13. 변경해야 하는데, 어떤 테스트를 작성해야 할지 모르겠다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/13.%20%E1%84%87%E1%85%A7%E1%86%AB%E1%84%80%E1%85%A7%E1%86%BC%E1%84%92%E1%85%A2%E1%84%8B%E1%85%A3%20%E1%84%92%E1%85%A1%E1%84%82%E1%85%B3%E1%86%AB%E1%84%83%E1%85%A6%2C%20%E1%84%8B%E1%85%A5%E1%84%84%E1%85%A5%E1%86%AB%20%E1%84%90%E1%85%A6%E1%84%89%E1%85%B3%E1%84%90%E1%85%B3%E1%84%85%E1%85%B3%E1%86%AF%20%E1%84%8C%E1%85%A1%E1%86%A8%E1%84%89%E1%85%A5%E1%86%BC%E1%84%92%E1%85%A2%E1%84%8B%E1%85%A3%20%E1%84%92%E1%85%A1%E1%86%AF%E1%84%8C%E1%85%B5%20%E1%84%86%E1%85%A9%E1%84%85%E1%85%B3%E1%84%80%E1%85%A6%E1%86%BB%E1%84%83%E1%85%A1
13. 변경해야 하는데, 어떤 테스트를 작성해야 할지 모르겠다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/13.%20%EB%B3%80%EA%B2%BD%ED%95%B4%EC%95%BC%20%ED%95%98%EB%8A%94%EB%8D%B0%2C%20%EC%96%B4%EB%96%A4%20%ED%85%8C%EC%8A%A4%ED%8A%B8%EB%A5%BC%20%EC%9E%91%EC%84%B1%ED%95%B4%EC%95%BC%20%ED%95%A0%EC%A7%80%20%EB%AA%A8%EB%A5%B4%EA%B2%A0%EB%8B%A4
13. 변경해야 하는데, 어떤 테스트를 작성해야 할지 모르겠다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/13.%20%EB%B3%80%EA%B2%BD%ED%95%B4%EC%95%BC%20%ED%95%98%EB%8A%94%EB%8D%B0%2C%20%EC%96%B4%EB%96%A4%20%ED%85%8C%EC%8A%A4%ED%8A%B8%EB%A5%BC%20%EC%9E%91%EC%84%B1%ED%95%B4%EC%95%BC%20%ED%95%A0%EC%A7%80%20%EB%AA%A8%EB%A5%B4%EA%B2%A0%EB%8B%A4
14. 나를 미치게 하는 라이브러리 의존 관계	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/14.%20%EB%82%98%EB%A5%BC%20%EB%AF%B8%EC%B9%98%EA%B2%8C%20%ED%95%98%EB%8A%94%20%EB%9D%BC%EC%9D%B4%EB%B8%8C%EB%9F%AC%EB%A6%AC%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84
14. 나를 미치게 하는 라이브러리 의존 관계	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/14.%20%EB%82%98%EB%A5%BC%20%EB%AF%B8%EC%B9%98%EA%B2%8C%20%ED%95%98%EB%8A%94%20%EB%9D%BC%EC%9D%B4%EB%B8%8C%EB%9F%AC%EB%A6%AC%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84
15. 애플리케이션에 API 호출이 너무 많다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/15.%20%EC%95%A0%ED%94%8C%EB%A6%AC%EC%BC%80%EC%9D%B4%EC%85%98%EC%97%90%20API%20%ED%98%B8%EC%B6%9C%EC%9D%B4%20%EB%84%88%EB%AC%B4%20%EB%A7%8E%EB%8B%A4
15. 애플리케이션에 API 호출이 너무 많다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/15.%20%EC%95%A0%ED%94%8C%EB%A6%AC%EC%BC%80%EC%9D%B4%EC%85%98%EC%97%90%20API%20%ED%98%B8%EC%B6%9C%EC%9D%B4%20%EB%84%88%EB%AC%B4%20%EB%A7%8E%EB%8B%A4
16. 변경이 가능할 만큼 코드를 이해하지 못하는 경우	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/16.%20%EB%B3%80%EA%B2%BD%EC%9D%B4%20%EA%B0%80%EB%8A%A5%ED%95%A0%20%EB%A7%8C%ED%81%BC%20%EC%BD%94%EB%93%9C%EB%A5%BC%20%EC%9D%B4%ED%95%B4%ED%95%98%EC%A7%80%20%EB%AA%BB%ED%95%98%EB%8A%94%20%EA%B2%BD%EC%9A%B0
16. 변경이 가능할 만큼 코드를 이해하지 못하는 경우	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/16.%20%EB%B3%80%EA%B2%BD%EC%9D%B4%20%EA%B0%80%EB%8A%A5%ED%95%A0%20%EB%A7%8C%ED%81%BC%20%EC%BD%94%EB%93%9C%EB%A5%BC%20%EC%9D%B4%ED%95%B4%ED%95%98%EC%A7%80%20%EB%AA%BB%ED%95%98%EB%8A%94%20%EA%B2%BD%EC%9A%B0
17. 내 애플리케이션은 뼈대가 약하다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/17.%20%EB%82%B4%20%EC%95%A0%ED%94%8C%EB%A6%AC%EC%BC%80%EC%9D%B4%EC%85%98%EC%9D%80%20%EB%BC%88%EB%8C%80%EA%B0%80%20%EC%95%BD%ED%95%98%EB%8B%A4
17. 내 애플리케이션은 뼈대가 약하다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/17.%20%EB%82%B4%20%EC%95%A0%ED%94%8C%EB%A6%AC%EC%BC%80%EC%9D%B4%EC%85%98%EC%9D%80%20%EB%BC%88%EB%8C%80%EA%B0%80%20%EC%95%BD%ED%95%98%EB%8B%A4
18. 테스트 코드가 방해를 한다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/18.%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%EC%BD%94%EB%93%9C%EA%B0%80%20%EB%B0%A9%ED%95%B4%EB%A5%BC%20%ED%95%9C%EB%8B%A4
18. 테스트 코드가 방해를 한다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/18.%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%EC%BD%94%EB%93%9C%EA%B0%80%20%EB%B0%A9%ED%95%B4%EB%A5%BC%20%ED%95%9C%EB%8B%A4
19. 내 프로젝트는 객체 지향이 아니다. 어떻게 안전하게 변경할 수 있을까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/19.%20%EB%82%B4%20%ED%94%84%EB%A1%9C%EC%A0%9D%ED%8A%B8%EB%8A%94%20%EA%B0%9D%EC%B2%B4%20%EC%A7%80%ED%96%A5%EC%9D%B4%20%EC%95%84%EB%8B%88%EB%8B%A4.%20%EC%96%B4%EB%96%BB%EA%B2%8C%20%EC%95%88%EC%A0%84%ED%95%98%EA%B2%8C%20%EB%B3%80%EA%B2%BD%ED%95%A0%20%EC%88%98%20%EC%9E%88%EC%9D%84%EA%B9%8C%3F
19. 내 프로젝트는 객체 지향이 아니다. 어떻게 안전하게 변경할 수 있을까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/19.%20%EB%82%B4%20%ED%94%84%EB%A1%9C%EC%A0%9D%ED%8A%B8%EB%8A%94%20%EA%B0%9D%EC%B2%B4%20%EC%A7%80%ED%96%A5%EC%9D%B4%20%EC%95%84%EB%8B%88%EB%8B%A4.%20%EC%96%B4%EB%96%BB%EA%B2%8C%20%EC%95%88%EC%A0%84%ED%95%98%EA%B2%8C%20%EB%B3%80%EA%B2%BD%ED%95%A0%20%EC%88%98%20%EC%9E%88%EC%9D%84%EA%B9%8C%3F
20. 이 클래스는 너무 비대해서 더이상 확장하고 싶지 않다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/20.%20%EC%9D%B4%20%ED%81%B4%EB%9E%98%EC%8A%A4%EB%8A%94%20%EB%84%88%EB%AC%B4%20%EB%B9%84%EB%8C%80%ED%95%B4%EC%84%9C%20%EB%8D%94%EC%9D%B4%EC%83%81%20%ED%99%95%EC%9E%A5%ED%95%98%EA%B3%A0%20%EC%8B%B6%EC%A7%80%20%EC%95%8A%EB%8B%A4
20. 이 클래스는 너무 비대해서 더이상 확장하고 싶지 않다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/20.%20%EC%9D%B4%20%ED%81%B4%EB%9E%98%EC%8A%A4%EB%8A%94%20%EB%84%88%EB%AC%B4%20%EB%B9%84%EB%8C%80%ED%95%B4%EC%84%9C%20%EB%8D%94%EC%9D%B4%EC%83%81%20%ED%99%95%EC%9E%A5%ED%95%98%EA%B3%A0%20%EC%8B%B6%EC%A7%80%20%EC%95%8A%EB%8B%A4
21. 반복되는 동일한 수정, 그만할 수는 없을까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/21.%20%EB%B0%98%EB%B3%B5%EB%90%98%EB%8A%94%20%EB%8F%99%EC%9D%BC%ED%95%9C%20%EC%88%98%EC%A0%95%2C%20%EA%B7%B8%EB%A7%8C%ED%95%A0%20%EC%88%98%EB%8A%94%20%EC%97%86%EC%9D%84%EA%B9%8C%3F
21. 반복되는 동일한 수정, 그만할 수는 없을까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/21.%20%EB%B0%98%EB%B3%B5%EB%90%98%EB%8A%94%20%EB%8F%99%EC%9D%BC%ED%95%9C%20%EC%88%98%EC%A0%95%2C%20%EA%B7%B8%EB%A7%8C%ED%95%A0%20%EC%88%98%EB%8A%94%20%EC%97%86%EC%9D%84%EA%B9%8C%3F
22. '괴물 메소드'를 변경해야 하는데 테스트 코드를 작성하지 못하겠다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/22.%20'%EA%B4%B4%EB%AC%BC%20%EB%A9%94%EC%86%8C%EB%93%9C'%EB%A5%BC%20%EB%B3%80%EA%B2%BD%ED%95%B4%EC%95%BC%20%ED%95%98%EB%8A%94%EB%8D%B0%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%EC%BD%94%EB%93%9C%EB%A5%BC%20%EC%9E%91%EC%84%B1%ED%95%98%EC%A7%80%20%EB%AA%BB%ED%95%98%EA%B2%A0%EB%8B%A4
22. '괴물 메소드'를 변경해야 하는데 테스트 코드를 작성하지 못하겠다	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/22.%20'%EA%B4%B4%EB%AC%BC%20%EB%A9%94%EC%86%8C%EB%93%9C'%EB%A5%BC%20%EB%B3%80%EA%B2%BD%ED%95%B4%EC%95%BC%20%ED%95%98%EB%8A%94%EB%8D%B0%20%ED%85%8C%EC%8A%A4%ED%8A%B8%20%EC%BD%94%EB%93%9C%EB%A5%BC%20%EC%9E%91%EC%84%B1%ED%95%98%EC%A7%80%20%EB%AA%BB%ED%95%98%EA%B2%A0%EB%8B%A4
23. 기존 동작을 건드리지 않았음을 어떻게 확인할 수 있을까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/23.%20%EA%B8%B0%EC%A1%B4%20%EB%8F%99%EC%9E%91%EC%9D%84%20%EA%B1%B4%EB%93%9C%EB%A6%AC%EC%A7%80%20%EC%95%8A%EC%95%98%EC%9D%8C%EC%9D%84%20%EC%96%B4%EB%96%BB%EA%B2%8C%20%ED%99%95%EC%9D%B8%ED%95%A0%20%EC%88%98%20%EC%9E%88%EC%9D%84%EA%B9%8C%3F
23. 기존 동작을 건드리지 않았음을 어떻게 확인할 수 있을까?	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/23.%20%EA%B8%B0%EC%A1%B4%20%EB%8F%99%EC%9E%91%EC%9D%84%20%EA%B1%B4%EB%93%9C%EB%A6%AC%EC%A7%80%20%EC%95%8A%EC%95%98%EC%9D%8C%EC%9D%84%20%EC%96%B4%EB%96%BB%EA%B2%8C%20%ED%99%95%EC%9D%B8%ED%95%A0%20%EC%88%98%20%EC%9E%88%EC%9D%84%EA%B9%8C%3F
24. 어찌해야 할지 모르겠다. 나아질 것 같지 않아.	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/24.%20%EC%96%B4%EC%B0%8C%ED%95%B4%EC%95%BC%20%ED%95%A0%EC%A7%80%20%EB%AA%A8%EB%A5%B4%EA%B2%A0%EB%8B%A4.%20%EB%82%98%EC%95%84%EC%A7%88%20%EA%B2%83%20%EA%B0%99%EC%A7%80%20%EC%95%8A%EC%95%84.
24. 어찌해야 할지 모르겠다. 나아질 것 같지 않아.	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/24.%20%EC%96%B4%EC%B0%8C%ED%95%B4%EC%95%BC%20%ED%95%A0%EC%A7%80%20%EB%AA%A8%EB%A5%B4%EA%B2%A0%EB%8B%A4.%20%EB%82%98%EC%95%84%EC%A7%88%20%EA%B2%83%20%EA%B0%99%EC%A7%80%20%EC%95%8A%EC%95%84.
25. 의존 관계 제거 기법 part2	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/25.%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84%20%EC%A0%9C%EA%B1%B0%20%EA%B8%B0%EB%B2%95%20part2
25. 의존 관계 제거 기법 part2	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/25.%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84%20%EC%A0%9C%EA%B1%B0%20%EA%B8%B0%EB%B2%95%20part2
25. 의존 관계 제거 기법 part3	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/25.%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84%20%EC%A0%9C%EA%B1%B0%20%EA%B8%B0%EB%B2%95%20part3
25. 의존 관계 제거 기법 part3	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/25.%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84%20%EC%A0%9C%EA%B1%B0%20%EA%B8%B0%EB%B2%95%20part3
25. 의존 관계 제거 기법	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/25.%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84%20%EC%A0%9C%EA%B1%B0%20%EA%B8%B0%EB%B2%95
25. 의존 관계 제거 기법	https://github.com/WBBookStudy/WorkingEffectivelyWithLegacyCode/tree/main/25.%20%EC%9D%98%EC%A1%B4%20%EA%B4%80%EA%B3%84%20%EC%A0%9C%EA%B1%B0%20%EA%B8%B0%EB%B2%95
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