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Contents

• Java
• DataStructure
• Design Pattern
• Spring Framework
• Cloud
• JPA
• Web
• Database
• Network
• ETC

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Java

Java 버전별 특징 정리

version	description
5	- generics - enumeration - annotation - auto boxing/unboxing - concurrency API - static import - 가변 파라미터
7	- diamond operator - switch-case 문자열 가능 - try-with-resources - multi-catch
8	- Lambda - interface default method - Optional - 날짜와 시간 API(대표적인 예: LocalDateTime) - Stream - type, repeating annotation

• Intro
• Static
• Collection Interface
• Map Interface
  • HashTable
    • Chaining
    • Linear Probing
    • Quadratic Probing
    • Double Hashing
• JVM
  • Java Class Loading Process
  • Java Compile
  • HotSpot VM Structure
    • Garbage Collection
    • Java GC
    • Comprehensive GC Process
    • Young Generation Area GC
    • Old Generation Area GC
• Object-Oriented
  • Access Modifier
  • Interface vs Abstract
  • Four Basics of OOP
  • Polymorphism
  • Five Basics of OOD
  • 지바가 확장한 객체 지향
• Wrapper Class
• String & StringBuffer & StringBuilder
• HashCode
• HashCode & Equals
• Generic
  • Generic?
  • 과연 Deep Dive일까
• Reflection Class
• System Class
• Thread
  • Process & Thread
  • Thread Class & Runnable Interface
  • Synchronized
  • Thread Pool
• Error & Exception
• IO
  • IO Model
• Atomic
• ForkJoinPool

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DataStructure

• Array
• ArrayList
• LinkedList
• Stack
• Queue
• B-Tree

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Design Pattern

• Transfer Object
• Decorator
• Template Callback
• Singleton
• Proxy
• Service Locator
• Strategy
• Facade

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Spring Framework

• Servlet
• Servlet Container
• JSP & Servlet의 기본 동작 원리
• IoC & DI
  • IoC & DI 간단 정리
  • Java, XML
  • @Autowired & @Resource
• AOP
  • AOP란
  • POJO와 XML 기반 AOP
  • AOP 용어
  • AOP 기초 완성
• PSA
• Filter & Interceptor
• RestController
• EventListener

Cloud

• Cloud & MSA
• Hystrix
• Ribbon
• Eureka
• Feign
• Zuul
• Sleuth

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JPA

• Intro
• 영속성 관리
• Proxy
• 영속성 전이와 고아 객체
• Lock

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Web

• HTTP
• URL 분석
• JSON
• Rest API
• Session & Cookie
• OAuth
• JWT
• MSA
• Forward & Reverse Proxy
• 웹 서비스 확장

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Database

RDB

• DB Connection & Connection Pool & DataSource
• ACID
• Transaction Isolation
• index
• index 활용 최적화
• MySQL Engine (MyISAM & InnoDB)
• Query Example
  • MySQL Basic Query
  • MySQL Join
  • MySQL Group By & Having

NoSQL

• NoSQL 이론
• NoSQL 개념 & 특징
• Redis

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Network

• 3-Way-HandShake & 4-Way-HandShake

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ETC

• Kotlin
• Zookeeper
• MDC
• RabbitMQ