# technical curiosity

- [Blocking/Non-blocking, Sync/Async 의 차이는 왜 물어보는 걸까?](https://programmer-jjy.gitbook.io/second-brain/technical/technical-curiosity/blocking-non-blocking-sync-async.md)
- [스프링 빈으로 등록해서 사용하는 것이 반드시 좋을까?](https://programmer-jjy.gitbook.io/second-brain/technical/technical-curiosity/undefined.md)
- [@Component 와 @Configuration 차이](https://programmer-jjy.gitbook.io/second-brain/technical/technical-curiosity/component-configuration.md)
- [레이어별 트랜잭션 의미와 읽기 전용 트랜잭션](https://programmer-jjy.gitbook.io/second-brain/technical/technical-curiosity/undefined-1.md)
- [추상 클래스와 인터페이스의 차이](https://programmer-jjy.gitbook.io/second-brain/technical/technical-curiosity/abstract-vs-interface.md)
- [httpSession 에서 session key 는 하나인데 어떻게 여러 유저를 구분해서 값을 가져올까?](https://programmer-jjy.gitbook.io/second-brain/technical/technical-curiosity/httpsession-session-key.md)
- [자바 자료구조, 알고리즘 구현 어떤걸 써야 할까?](https://programmer-jjy.gitbook.io/second-brain/technical/technical-curiosity/time-complexity.md): 시간 복잡도 deep dive, 자바 자료구조 구현체 어떤걸 써야 할까?


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