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  • README
  • ALGORITHM
    • Sieve of Eratosthenes
    • Lcm, Gcd
    • Sorting Array
    • Round Up
    • Binary Search
    • Union Find
  • Books
    • CS Note for Interview
      • Ch1. Design Pattern & Programming paradigm
        • 1.1.1 Singleton Pattern
        • 1.1.2 Factory Pattern
        • 1.1.4 Observer Pattern
        • 1.1.5 Proxty Pattern & Proxy Server
        • 1.1.8 Model-View-Controller Pattern
        • 1.2.1 Declarative and Functional Programming
        • 1.2.2 Object Oriented Programming
      • Ch2. Network
        • 2.2.1 TCP/IP Four-Layer Model
        • 2.2.1-1 TCP 3, 4 way handshake
        • 2.3 Network Devices L4, L7
        • 2.4.1 ARP, RARP
        • 2.4.2 Hop By Hop Communication
        • 2.4.3 IP Addressing Scheme
      • Ch3. Operating System
        • 3.1.1 Roles and Structure of Operating Systems
        • 3.2.1 Memory Hierarchy
        • 3.2.2 Memory Management
        • 3.3.1 Processes and Compilation Process
        • 3.3.3 Memory Structure of a Process
        • 3.3.4 Process Control Block (PCB)
        • 3.3.5 Multiprocessing
        • 3.3.6 Threads and Multithreading
        • 3.3.7 Shared Resources and Critical Sections
        • 3.3.8 Deadlock
        • 3.4 CPU Scheduling Algorithm
      • Ch4. Database
        • 4.1 Database Basic
        • 4.2 Normalization
        • 4.3 Transaction and Integrity
        • 4.4 Types of Databases
        • 4.5 Indexes
        • 4.6 Types of Joins
        • 4.7 Principles of Joins
      • Ch5. Data Structure
    • Learning the Basics of Large-Scale System Design through Virtual Interview Cases
      • 1. Scalability based on user counts(1/2)
      • 1. Scalability based on user counts(2/2)
      • 2.Back-of-the-envelope estimation
      • 3. Strategies for System Design Interviews
      • 4. Rate Limiter
      • 5. Consistent Hashing
      • 6. Key-Value System Design
      • 7. Designing a Unique ID Generator for Distributed Systems
      • 8. Designing a URL Shortener
      • 9. Designing a Web Crawler
      • 10. Notification System Design
      • 11. Designing a News Feed System
      • 12. Chat System Design
      • 13. AutoComplete
      • 14. Design YouTube
      • 15. Design Google Drive
      • Loadbalancer Algorithms
      • Cache tier
      • CDN, Content Delivery Network
      • Stateless Web tier
    • Computer System A programmer's perspective
    • Effective Java
      • Item 1. Consider Static Factory Methods Instead of Constructors
      • Item 2. Consider a Builder When Faced with Many Constructor Parameters
      • Item 3. Ensure Singleton with Private Constructor or Enum Type
      • Item 4. Enforce Noninstantiability with a Private Constructor
      • Item 5. Prefer Dependency Injection to Hardwiring Resources
      • Item 6. Avoid Creating Unnecessary Objects
      • Item 7. Eliminate Obsolete Object References
      • Item 8. Avoid Finalizers and Cleaners
      • Item 9.Prefer try-with-resources to try-finally
      • Item10. Adhering to General Rules When Overriding equals
        • Handling Transitivity Issues
        • Ensuring Consistency
      • Item11. Override hashCode When You Override equals
      • Item12. Always Override toString
        • Always Override toString
      • Item13. Override Clone Judiciously
      • Item14. Consider Implementing Comparable
      • Item15. Minimize the Accessibility of Classes and Members
      • Item16. Accessor Methods Over Public Fields
      • Item17. Minimize Mutability
      • Item18. Composition over inherentance
      • Item19. Design and Document for Inheritance, or Else Prohibit It
      • Item20. Prefer Interfaces to Abstract Classes
      • Item21. Design Interfaces with Implementations in Mind
      • Item22. Use Interfaces Only to define Types
      • Item23. Prefer Class Hierarchies to Tagged Classes
      • Item24. Favor Static Member Classes Over Non-Static
      • Item28. Use Lists Instead of Arrays
      • Item29. Prefer Generic Types
      • Item30. Favor Generic Methods
    • Head First Design Patterns
      • Ch1. Strategy Pattern
      • Ch2. Observer Pattern
        • Ver1. Ch2. Observer Pattern
      • Ch3. Decorator Pattern
        • Ch3. Decorator Pattern
      • Ch4. Factory Pattern
      • Ch5. Singleton Pattern
      • Ch6. Command Pattern
      • Ch7. Adapter and Facade Pattern
      • Ch8. Template Method Pattern
    • Digging Deep into JVM
      • Chapter 2. Java Memory Area & Memory Overflow
      • Chapter 3. Garbage Collector & Memory Allocation Strategy (1/2)
      • Chapter 3. Garbage Collector & Memory Allocation Strategy (2/2)
      • Chapter 5. Optimization Practice
      • Chapter 6. Class file structure
  • Interview Practices
    • Restful API Practices
      • Url Shortener API
      • Event Ticket Reservation API
      • Course Management API
      • Search posts by tags API
      • Online Code platform API
      • Simple Task Management API
      • Event Participation API
      • Review System API
      • Car management API
      • Online Library
    • Naver Computer Science
      • Process & Thread
      • TCP & UDP
      • Spring & Servlet
      • Filter & Interceptor & AOP
      • Equals() & ==
      • Dependency Injection
  • F-Lab
    • Week1
      • Client & Server
      • HTTP
      • TCP/UDP
      • REST API
      • Questions
        • Object Oriented Programming
        • HTTP
        • Process & Thread
        • Data Structure
    • Week2
      • OSI 7 layer
      • Web vs WAS
    • Week3
      • RDB vs NoSQL
      • RDB Index
      • Cache
      • Redis
      • Messaging Queue
    • Week4
      • Project - Ecommerce
    • Week5
      • ERD - 1
    • Week6
      • Ecommerce - 2
      • Role
      • pw hashing && Salt
      • CreatedAt, ModifiedAt
      • JWT
      • Copy of ERD - 1
    • Week7
      • Vault (HashiCorp Vault)
    • Week 8
      • Api Endpoints
  • Week10
    • Product Create Workflow
  • TOY Project
    • CodeMentor
      • Implementation of Kafka
      • Implementation of K8s
      • Communication between servers in msa
  • JAVA
    • Java 101
      • JVM Structure
      • Java Compiles and Execution Method
      • Override, Overload
      • Interface vs Abstract Class
      • Primitive vs Object Type
      • Identity and equality
      • String, StringBuilder, StringBuffer
      • Checked Exceptions and Unchecked Exceptions
      • Java 8 methods
      • Try-with-reources
      • Strong Coupling and Loose Coupling
      • Serialization and Deserialization
      • Concurrency Programming in Java
      • Mutable vs Immutable
      • JDK vs JRE
    • Java Questions
      • Week 1(1/2) - Basic Java
      • Week 1(2/2) - OOP
      • Week 2(1/2) - String, Exception, Generic
      • Week2(2/2) Lambda, Stream, Annotation, Reflection
      • Week3(1/2) Collections
      • Week3(2/2) Threads
      • Week4 Java Concurrency Programming
      • Week5 JVM & GC
    • Batch delete instead of Cascade
    • Checked vs Unchecked Exception
    • Thread
    • Memory Visibility
    • Synchronized && ReentrantLock
    • Producer & Consumer
    • BlockingQueue
    • CAS (Compare and Set)
  • SPRING
    • Spring Questions
      • Spring Framework
      • Spring MVC & Web Request
      • AOP (Aspect-Oriented Programming)
      • Spring Boot
      • ORM & Data Access
      • Security
      • ETC
    • using profile name as variable
    • Template Method Pattern
    • Strategy Pattern
    • Proxy Pattern
    • @Transactional
    • Ioc container, di practice
  • Programming Paradigm
    • Declarative vs Imperative
  • JPA
    • Template Page
  • PYTHON
    • Icecream
  • FASTAPI
    • Template Page
  • COMPUTER SCIENCE
    • Computer Architecture 101
      • 3 components of a computer
      • RAM vs ROM
      • CPU vs GPU
      • SIMD
      • Two's complement
      • Harvard Architecture vs. von Neumann Architecture
      • The structure of a CPU.
      • Instruction cycle (CPU operation method)
      • Instruction pipelining
      • Bus
      • Memory area
      • Memory hierarchy structure
        • Reason for using memory hierarchy structure
      • Cache memory
      • L1, L2, L3 Cache
      • Locality of reference (cache)
      • Fixed-point vs Floating-point
        • epresentation of infinity and NaN (Not a Number) in floating-point
      • RISC vs CISC
      • Hamming code
      • Compiler
      • Linking
      • Compiler vs Interpreter
      • Mutex vs Semaphore
      • 32bit CPU and 64bit CPU
      • Local vs Static Variable
      • Page
  • OS
    • Operating System 101
      • Operating system
        • The role of the operating system
        • The composition of the operating system.
      • Process
        • In Linux, are all processes except the initial process child processes?
        • Zombie process, orphan process
        • (Linux) Daemon process
        • Process address space
        • Where are uninitialized variables stored?
        • Determination of the size of the Stack and Heap
        • Access speed of Stack vs Heap
        • Reason for memory space partitioning
        • Process of compiling a process
        • sudo kill -9 $CURRENT_PID
      • Thread
        • Composition of a thread's address space
      • Process vs Thread
        • Creation of processes and threads in Linux
      • Multiprocessing
        • Web Browser
        • Implementation of multiprocessing
        • Application areas of multiprocessing
      • Multithreading
        • Application areas of multithreading
      • Interrupt
        • HW / SW Interrupt
        • Method of handling interrupts
        • Occurrence of two or more interrupts simultaneously
      • Polling
      • Dual Mode
        • Reason for distinguishing between user mode and kernel mode
      • System call
        • Differentiation between system calls
        • Types of system calls
        • Execution process of a system call
      • Process Control Block (PCB)
        • PCB의 구조
        • 쓰레드는 PCB를 갖고 있을까?
        • 프로세스 메모리 구조
      • Context switching
        • Timing of context switching
        • Registers saved during context switching
        • Context switching in processes
        • Context switching in threads
        • Difference between context switching in processes and threads
        • Information of the current process during context switching
      • Interprocess Communication (IPC)
        • Cases where IPC is used
        • Process address space in IPC Shared Memory technique
        • Types of IPC
    • Operating System Questions
      • Week1 OS & How Computer Systems Work
      • Week2(1/2) Process
      • Week2(2/2) Thread
      • Week3 CPU Scheduling
      • Week4 Process Synchronize
      • Week5 Virtual Memory
  • LINUX
    • Template Page
  • SERVER
    • Template Page
  • NETWORK
    • Network 101
      • https://www.google.com
      • TCP vs UDP
      • Http vs Https
      • TLS Handshake 1.2
      • HTTP Method
      • CORS & SOP
      • Web Server Software
    • Network Questions
      • Week1 Computer Network Basic
      • Week2(1/3) Application Layer Protocol - HTTP
      • Week2(2/3) Application Layer Protocol - HTTPS
      • Week2(3/3) Application Layer Protocol - DNS
      • Week3 Application Layer
      • Week4 Transport Layer - UDP, TCP
      • Week5 Network Layer - IP Protocol
    • Blocking, NonBlocking and Sync, Async
    • HTTP 0.9-3.0
  • DATABASE
    • Database Questions
      • Week1 DBMS, RDBMS basics
      • Week2 SQL
      • Week3 Index
      • Week4 Anomaly, Functional Dependency, Normalization
      • Week5 DB Transaction, Recovery
    • Normalization
      • 1st Normal Form
      • 2nd Normal Form
      • 3rd Normal Form
    • Ensuring Data Consistency, Atomicity and UX Optimization (feat.Firebase)
    • Redis: Remote Dictionary Server
    • Enhancing Query Performance - User list
  • DATA STRUCTURE
    • Array vs Linked List
    • Counting Sort
  • GIT, Github
    • git clone, invalid path error
  • INFRA
    • Template Page
  • AWS
    • Server Log Archive Pipeline
    • Image Processing using Lambda
  • DOCKER
    • Docker commands
    • Python Executable Environment
    • Docker and VM
  • docker-compose
    • Kafka, Multi Broker
  • KUBERNATES
    • !Encountered Errors
      • my-sql restarts
      • kafka producer: disconnected
    • Kubernetes Components
    • Helm
      • Helm commands
    • Pod network
    • Service network
      • deployment.yaml
      • services.yaml
    • Service type
      • Cluster IP
      • NodePort
    • service-name-headless?
    • kube-proxy
    • Template Page
  • GraphQL
    • Template Page
  • WEB
    • Template Page
  • Reviews
    • Graphic Intern Review
    • Kakao Brain Pathfinder Review
    • JSCODE 자바 1기 Review
  • 😁Dev Jokes
    • Image
      • Plot twist
      • Priorities
      • SQL join guide
      • Google is generous
      • Genie dislikes cloud
      • buggy bugs
      • last day of unpaid internship
      • what if clients know how to inspect
      • its just game
      • how i wrote my achievement on resume
      • self explanatory
      • chr(sum(range(ord(min(str(not))))))
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  • Spring Framework와 Spring Boot의 주요 차이점을 설명해주세요.
  • Spring Boot의 특징과 주요 기능을 설명해주세요.
  • Spring Boot에서 사용되는 기본 구성 파일의 이름과 역할은 무엇인가요?
  • Spring Boot 애플리케이션을 사용자 정의 포트로 실행하는 방법은 무엇인가요?
  • Spring Boot에서 프로파일(Profile)을 사용하는 방법은 무엇인가요?
  • Spring Boot에서 속성을 정의하고 접근하는 방법을 설명해주세요.
  • spring-boot-starter-parent의 역할은 무엇인가요?
  • Spring Boot에서 HTTP/2 지원을 활성화하는 방법은 무엇인가요?
  • Spring Boot에서 로그 레벨을 조정하는 방법은 무엇인가요?
  • 임베디드 컨테이너와 WAR 배포의 차이점을 설명해주세요.
  • Spring Initializr를 사용하여 Spring Boot 애플리케이션을 생성하는 방법은 무엇인가요?
  • Spring Boot Actuator의 역할과 기능을 설명해주세요.
  • Spring Boot에서 Docker를 활용하는 방법을 설명해주세요.
  1. SPRING
  2. Spring Questions

Spring Boot

스프링 Data JPA

Spring과 Spring Boot의 차이점

Spring Framework와 Spring Boot의 주요 차이점을 설명해주세요.

  • 설정 방식과 초기화 과정의 단순화

Spring Framework

  • 개발자가 애플리케이션 설정을 직접 처리해야합니다.

Spring Boot

  • 자동 설정(Auto-Configuration): 개발자는 최소한의 설정만으로 애플리케이션을 빠르게 실행

  • 임베디드 서버: Tomcat 같은 임데디드 웹 서버를 제공하여 별도의 WAS 설정없이 독립 실행

  • 스타터 종속성: 프로젝트에 필요한 공통 기능을 포함하는 starter dependencies 제공. 간단한 종족성 추가만으로 여러 기능을 쉽게 설정

  • Production-Ready-Features: Spring Boot Actuator 등 운영 환영에서 유용한 기능들을 내장

Spring Boot의 특징과 장점

Spring Boot의 특징과 주요 기능을 설명해주세요.

  • 자동 설정: spring-boot-starter-data-jpa 를 추가하면 HIbernate와 JPA 설정 적용.

  • 임베디드 서버: Tomcat, Jetty와 같은 내장 서버를 제공하여 별도의 WAS 없이 독립적으로 실행

  • 스타터 종속성: 프로젝트 공통으로 필요한 기능을 포함하는 starter dependencies 제공

  • 운영 환경 지원: 모니터링을 위한 actuator 등 운영환경에서 필요한 여러가지 기능 내장

Spring Boot 설정과 구성

Spring Boot에서 사용되는 기본 구성 파일의 이름과 역할은 무엇인가요?

  • 애플리케이션 속성 관리: application.properties / application.yml을 통해 파일에서 설정한 속성들이 자동으로 로드.

  • 환경별 설정: application-{profile}-properties / .yml 파일로 개발 환경/운영 환경 설정분리

Spring Boot 애플리케이션을 사용자 정의 포트로 실행하는 방법은 무엇인가요?

application.properties / .yml 파일에서 server.port=8081

Spring Boot에서 프로파일(Profile)을 사용하는 방법은 무엇인가요?

서로 다른 환경(예: 개발, 테스트, 운영)에 맞는 설정을 분리하여 관리할 수 있는 기능을 제공

Spring Boot에서 속성을 정의하고 접근하는 방법을 설명해주세요.

  • application.properties, application.yml 파일에 속성을 정의합니다

  • @Value 를 통해 속성 값을 개별적으로 주입받습니다.

spring-boot-starter-parent의 역할은 무엇인가요?

Spring Boot 프로젝트의 부모 POM(Project Object Model) 파일로서, Maven을 사용하는 프로젝트에서 기본 설정을 제공하는 역할

Spring Boot에서 HTTP/2 지원을 활성화하는 방법은 무엇인가요?

  • HTTP/2는 Spring Boot에서 HTTPS 환경에서만 활성화.

  • application.properties 또는 application.yml 파일에 server.http2.enabled=true를 추가.

  • SSL 인증서를 설정 필요.

Spring Boot에서 로그 레벨을 조정하는 방법은 무엇인가요?

  • SLF4J와 Logback을 사용하여 로그를 관리합니다.

  • application.properties/.yml에서 설정하거나, Logger 객체를 사용합니다.

임베디드 서버와 배포

임베디드 컨테이너와 WAR 배포의 차이점을 설명해주세요.

임베디드 컨테이너

  • 애플리케이션 자체가 웹 서버(서블릿 컨테이너)를 포함하고 있어, 독립 실행형 JAR 파일로 실행할 수 있는 방식

  • Spring Boot에서는 Tomcat, Jetty 등의 서블릿 컨테이너를 애플리케이션에 내장.

WAR 배포

  • 애플리케이션이 독립 실행형이 아닌, 외부에 설치된 서블릿 컨테이너 또는 WAS(Web Application Server)에 배포되는 방식

Spring Boot의 기타 기능

Spring Initializr를 사용하여 Spring Boot 애플리케이션을 생성하는 방법은 무엇인가요?

Spring Boot 애플리케이션을 빠르게 설정하고 생성할 수 있는 웹 도구

Spring Boot Actuator의 역할과 기능을 설명해주세요.

  • Spring Boot 애플리케이션의 상태 모니터링, 메트릭 수집, 애플리케이션 관리를 위한 다양한 기능을 제공하는 production-ready 도구

  • 운영 환경에서 애플리케이션의 헬스 체크, 로그 모니터링, 애플리케이션 설정 확인 등을 손쉽게 할 수 있도록 도와줍니다

Spring Boot에서 Docker를 활용하는 방법을 설명해주세요.

  • Docker를 사용하면 Spring Boot 애플리케이션을 컨테이너화하여 어디서나 일관된 환경에서 실행할 수 있습니다.

  • Dockerfile을 작성하여 애플리케이션을 패키징한 후, Docker 이미지를 빌드하고 실행합니다.

  • Docker Compose를 사용하면 Spring Boot와 다른 서비스(예: 데이터베이스)를 함께 실행할 수 있습니다.

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Last updated 6 months ago

에서 사용

https://start.spring.io