CS

1.HashMap vs HashTable vs ConcurrentHashMap

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2.JVM 동작 방식과 메모리 구조

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3.JPA란?

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4.GET, POST 차이

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5.Cookie & Session

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6.Java Garbage Collection

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7.Webhook

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8.커널과 스레드 (시스템콜을 곁들인...)

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9.도커

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10.[Spring] Controller, Service는 왜 분리해야할까?

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11.프로세스 vs 스레드

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12.메모리영역 - Code, Data, Heap, Stack

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13.String vs StringBuffer vs StringBuilder

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14.Django 프레임워크

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15.[Spring] IoC와 Bean

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16.[Spring] DI(의존성주입)의 세가지 방법

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17.[Spring] Spring MVC 패턴과 MVC1 vs MVC2

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18.[Spring] AOP(Aspect Oriented Programming)

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19.트랜잭션 격리 수준과 PostgreSQL의 동시성 제어 방식(Lock, MVCC)

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20.WebFlux와 스레드

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21.Event Driven Architecture로 MicroService Architecture 개선하기

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22.MicroService Architecture의 loosely coupled 특성과 문제점

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23.Connection Timeout과 Read Timeout은 어떻게 설정하는게 좋을까?

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24.데코레이터와 reflect-metadata

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