- Cookie vs Session vs JWT
- Covering Index
- Repository vs DAO
- Pessimistic Locking vs. Optimistic Locking
- interface와 abstract class 차이
- checkedException vs UnCheckedException
- HashMap vs HashTable vs ConcurrentHashMap
- new String()과 ""차이
- 리플렉션/다이나믹 프록시
- GC, GC알고리즘
- 제너릭이란 무엇이고 왜 쓰는지
- @Autowird, @Resource, @inject 차이점
- 스프링 객체 주입방식
- spring mvc life cycle
- filter 와 interceptor의 차이점
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