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๐Ÿ˜€ Contributer

๊น€๋‹ค์€ ๊น€์ฑ„๋ฆฐ ๋ฐ•ํ˜œ๊ฒฝ

โฐ Schedule

์ผ์‹œ : ๋งค์ฃผ ์›”~๊ธˆ ์˜คํ›„ 1์‹œ


๐Ÿ“– Contents

1. Operating System

1. ์šด์˜์ฒด์ œ์˜ ๊ฐœ๋…๊ณผ ํ”„๋กœ์„ธ์Šค ๊ด€๋ฆฌ

2. ํ”„๋กœ์„ธ์Šค์™€ ์Šค๋ ˆ๋“œ + ์Šค์ผ€์ค„๋ง

3. ๋ฉ”๋ชจ๋ฆฌ ๊ด€๋ฆฌ์™€ ๊ด€๋ จ๋œ ๊ฐœ๋…

4. ๋™๊ธฐํ™”์™€ ๋™์‹œ์„ฑ ์ œ์–ด

5. ๋ฉ€ํ‹ฐํƒœ์Šคํ‚น ๋ฐ ๋ฉ€ํ‹ฐํ”„๋กœ์„ธ์Šค/๋ฉ€ํ‹ฐ์Šค๋ ˆ๋“œ ์ ์šฉ ์˜ˆ์‹œ


2. Data Structures

  • Array์™€ ArrayList์˜ ์ฐจ์ด์ ์€ ๋ฌด์—‡์ธ๊ฐ€์š”?
  • ArrayList์—์„œ ํฌ๊ธฐ๋ฅผ ๋™์ ์œผ๋กœ ์กฐ์ •ํ•˜๋Š” ๋ฐฉ์‹์€ ๋ฌด์—‡์ธ๊ฐ€์š”?
  • Array์™€ ArrayList๋Š” ๊ฐ๊ฐ ์–ด๋–ค ์ƒํ™ฉ์—์„œ ๋” ์ ํ•ฉํ•œ๊ฐ€์š”?
  • ๋‹จ์ผ LinkedList์™€ ์ด์ค‘ LinkedList์˜ ์ฐจ์ด๋Š” ๋ฌด์—‡์ธ๊ฐ€์š”?
  • LinkedList์˜ ์‚ฝ์ž…/์‚ญ์ œ ์„ฑ๋Šฅ์€ ์–ธ์ œ ํšจ์œจ์ ์ด์ง€ ์•Š์„ ์ˆ˜ ์žˆ๋‚˜์š”?
  • ArrayList์™€ LinkedList๋Š” ๊ฐ๊ฐ ์–ด๋–ค ์ƒํ™ฉ์—์„œ ์„ ํƒํ•˜๋‚˜์š”?
  • Stack๊ณผ Queue์˜ ์ฐจ์ด์ ๊ณผ ์ฃผ์š” ์‚ฌ์šฉ ์‚ฌ๋ก€๋Š” ๋ฌด์—‡์ธ๊ฐ€์š”?
  • Stack์—์„œ ์Šคํƒ ์˜ค๋ฒ„ํ”Œ๋กœ์šฐ๊ฐ€ ๋ฐœ์ƒํ•˜๋Š” ์ด์œ ๋Š” ๋ฌด์—‡์ธ๊ฐ€์š”?
  • Queue๋Š” ์–ด๋–ค ์ƒํ™ฉ์—์„œ ํšจ๊ณผ์ ์ธ๊ฐ€์š”?
  • Hash Table์ด ํ‰๊ท ์ ์œผ๋กœ O(1) ์„ฑ๋Šฅ์„ ์œ ์ง€ํ•˜๋Š” ์ด์œ ๋Š” ๋ฌด์—‡์ธ๊ฐ€์š”?
  • Hash Collision์„ ํ•ด๊ฒฐํ•˜๋Š” ๋ฐฉ๋ฒ•์—๋Š” ๋ฌด์—‡์ด ์žˆ๋‚˜์š”?
  • HashMap๊ณผ HashSet์˜ ์ฐจ์ด์ ์€ ๋ฌด์—‡์ธ๊ฐ€์š”?
  • Binary Search Tree(BST)์˜ ์ฃผ์š” ํŠน์ง•๊ณผ ์žฅ๋‹จ์ ์€ ๋ฌด์—‡์ธ๊ฐ€์š”?
  • Heap์€ ์šฐ์„ ์ˆœ์œ„ ํ ๊ตฌํ˜„์— ์–ด๋–ป๊ฒŒ ํ™œ์šฉ๋˜๋‚˜์š”?
  • ํŠธ๋ฆฌ ์ˆœํšŒ์˜ ๋ฐฉ์‹๊ณผ ๊ฐ๊ฐ์˜ ์‚ฌ์šฉ ์‚ฌ๋ก€๋Š” ๋ฌด์—‡์ธ๊ฐ€์š”?

3. Java & Spring

Core Java ๊ธฐ๋ณธ ๊ฐœ๋…

  1. ๊ฐ€๋น„์ง€ ์ปฌ๋ ‰์…˜์ด๋ž€
  2. StringBuilder์™€ StringBuffer์˜ ์ฐจ์ด
  3. JVM ๋ฉ”๋ชจ๋ฆฌ ์˜์—ญ์˜ ๊ตฌ์„ฑ
  4. ์˜ค๋ฒ„๋กœ๋”ฉ๊ณผ ์˜ค๋ฒ„๋ผ์ด๋”ฉ์˜ ์ฐจ์ด
  5. ์ถ”์ƒ ํด๋ž˜์Šค์™€ ์ธํ„ฐํŽ˜์ด์Šค์˜ ์ฐจ์ด
  6. ์ œ๋„ค๋ฆญ(Generic)์ด๋ž€
  7. ์ ‘๊ทผ ์ œ์–ด์ž ์ข…๋ฅ˜์™€ ์ฐจ์ด
  8. ์ž๋ฐ” ์ปดํŒŒ์ผ ๊ณผ์ •
  9. Call by Value์™€ Call by Reference์˜ ์ฐจ์ด
  10. ๋ฐฐ์—ด๊ณผ ์—ฐ๊ฒฐ ๋ฆฌ์ŠคํŠธ์˜ ์ฐจ์ด
  11. Comparable๊ณผ Comparator์˜ ์ฐจ์ด
  12. HashMap์˜ ํŠน์ง•๊ณผ ๋™์ž‘ ๋ฐฉ์‹
  13. List, Set, Map์˜ ์ฐจ์ด

์ž๋ฐ” ๋ฉ”๋ชจ๋ฆฌ ๊ด€๋ฆฌ

  1. JVM ํž™๊ณผ ์Šคํƒ ๋ฉ”๋ชจ๋ฆฌ์˜ ์—ญํ• 
  2. OutOfMemoryError ๋ฐœ์ƒ ์›์ธ
  3. "Stop the World"๋ž€?

๊ฐ์ฒด ์ง€ํ–ฅ ์›์น™

  1. ๊ฐ์ฒด์ง€ํ–ฅ ํ”„๋กœ๊ทธ๋ž˜๋ฐ์˜ 4๊ฐ€์ง€ ํŠน์ง•
  2. SOLID ์›์น™์ด๋ž€?

๋””์ž์ธ ํŒจํ„ด

  1. GoF ๋””์ž์ธํŒจํ„ด์ด๋ž€? (๊ฐ„๋žตํ•˜๊ฒŒ๋งŒ)

Java & Spring ํ†ตํ•ฉ ์ฃผ์ œ

  1. MVC ํŒจํ„ด์ด๋ž€?
  2. ์Šคํ”„๋ง๊ณผ ์Šคํ”„๋ง ๋ถ€ํŠธ์˜ ์ฐจ์ด
  3. IoC(Inversion of Control)๋ž€?
  4. ์˜์กด์„ฑ ์ฃผ์ž…(DI)์ด๋ž€?
  5. ์Šคํ”„๋ง์˜ ๋นˆ(bean) ์ƒ๋ช…์ฃผ๊ธฐ
  6. AOP(Aspect-Oriented Programming)์ด๋ž€?

4. Database

๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค๋ž€?

  1. ํŒŒ์ผ์‹œ์Šคํ…œ๊ณผ ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค์˜ ์ฐจ์ด์  ๋ฐ DBMS์˜ ์ฃผ์š” ์—ญํ• 
  2. RDBMS์™€ ๊ด€๊ณ„ํ˜• ๋ชจ๋ธ(ERD)์˜ ์ •์˜์™€ ํŠน์ง•
  3. ๋ฐ์ดํ„ฐ๋ฒ ์ด์Šค ํ‚ค(Key)์˜ ์ข…๋ฅ˜์™€ ๋ฌด๊ฒฐ์„ฑ ์ œ์•ฝ ์กฐ๊ฑด
  4. MySQL๊ณผ InnoDB์˜ ์ฃผ์š” ํŠน์ง• ๋ฐ ๋™์ž‘ ์›๋ฆฌ

SQL

  1. SQL์˜ DDL, DML, DCL์˜ ์ •์˜์™€ ์—ญํ• 
  2. INNER JOIN, OUTER JOIN, CROSS JOIN์˜ ์ฐจ์ด์ 
  3. SELECT ์ฒ˜๋ฆฌ ์ˆœ์„œ์™€ GROUP BY, ORDER BY์˜ ์‹คํ–‰ ์ˆœ์„œ
  4. CASCADE์™€ ์ฐธ์กฐ ๋ฌด๊ฒฐ์„ฑ์˜ ๊ฐœ๋…
  5. DROP, TRUNCATE, DELETE์˜ ์ฐจ์ด์ 

์ธ๋ฑ์Šค

  1. ์ธ๋ฑ์Šค์˜ ๊ฐœ๋…๊ณผ ์„ค์ • ๊ธฐ์ค€(+๋‹ค์ค‘ ์ปฌ๋Ÿผ ์ธ๋ฑ์Šค)
  2. ์‹คํ–‰ ๊ณ„ํš(EXPLAIN)๊ณผ ์ฟผ๋ฆฌ ํžŒํŠธ์˜ ์—ญํ• ๊ณผ ์‚ฌ์šฉ ๋ฐฉ๋ฒ•

์ด์ƒํ˜„์ƒ๊ณผ ์ •๊ทœํ™”

  1. ์ด์ƒ ํ˜„์ƒ(์‚ฝ์ž…, ๊ฐฑ์‹ , ์‚ญ์ œ ์ด์ƒ)์˜ ์›์ธ๊ณผ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•
  2. ํ•จ์ˆ˜์  ์ข…์†์„ฑ์˜ ๊ฐœ๋…๊ณผ ์™„์ „ ์ข…์†, ๋ถ€๋ถ„ ์ข…์†, ์ดํ–‰์  ์ข…์†์˜ ์ฐจ์ด์ 
  3. ์ •๊ทœํ™”์˜ ์ •์˜์™€ ๊ฐ ์ •๊ทœํ˜•(1NF, 2NF, 3NF, BCNF)์— ๋Œ€ํ•œ ์„ค๋ช…
  4. ๋ฐ˜์ •๊ทœํ™”์˜ ์ •์˜์™€ ํ•„์š”์„ฑ

ํŠธ๋žœ์žญ์…˜

  1. ํŠธ๋žœ์žญ์…˜์˜ ์„ฑ์งˆ(ACID)์˜ ์ •์˜์™€ ๊ฐ ํŠน์„ฑ์˜ ์—ญํ• 
  2. Commit๊ณผ Rollback์˜ ๋™์ž‘ ์›๋ฆฌ์™€ ํ™œ์šฉ
  3. ๋น„๊ด€์  ๋ฝ๊ณผ ๋‚™๊ด€์  ๋ฝ์˜ ์ฐจ์ด์ 
  4. ๊ฒฉ๋ฆฌ ์ˆ˜์ค€(Isolation Level)์˜ ์ข…๋ฅ˜์™€ ๊ฐ ์ˆ˜์ค€์˜ ํŠน์ง•

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