sooyoungh
  • ๐Ÿ™‚Hello I ' m sooyoung
  • ๐Ÿ“Today-I-learned
    • ๐ŸŽชJava
      • ๐Ÿš•์ž๋ฐ”์˜ JVM
        • ์ž๋ฐ”์— Call By Value๋งŒ ์žˆ๋Š” ์ด์œ  - JVM์˜ GC
        • ๋ฌธ์ž์—ด ์ธ์ฝ”๋”ฉ ๋ฐฉ์‹ ์•Œ์•„๋ณด๊ธฐ
        • Switch๋ฌธ์€ if๋ฌธ๋ณด๋‹ค ๋น ๋ฅธ๊ฐ€? (์ธ์ฝ”๋”ฉ ๋ฐฉ์‹ ๋น„๊ต)
      • ๐Ÿ‡์ž๋ฐ”์˜ ๋‹คํ˜•์„ฑ
        • ์ž๋ฐ”์˜ ๋ณ€์„ฑ ์•Œ์•„๋ณด๊ธฐ
        • List<> = new ArrayList<> ์“ฐ๋Š” ์ด์œ 
        • ์ƒ์† ์กฐ์‹ฌ๐Ÿ™…โ€โ™€๏ธ - ์ƒ์†๋ณด๋‹ค๋Š” ์ปดํฌ์ง€์…˜์„ ์‚ฌ์šฉํ•˜์ž
        • ์ž๋ฐ”์˜ ๋‹คํ˜•์„ฑ ๊ฐ„๋‹จ ์ •๋ฆฌ
      • โ—์˜ˆ์™ธ ์ฒ˜๋ฆฌ ์ฃผ์˜
        • wrapping_checked_exception_into_unchecked_exception
        • try-catch-finally์™€ return๋ฌธ
        • Try with resources๋กœ ์•Œ์•„์„œ ์ž์› ํ•ด์ œํ•˜๊ธฐ
        • Optional ์ž˜ ์“ฐ๋Š” ๋ฒ•1 - ์–ธ์ œ ์“ธ๊นŒ?
      • ๐Ÿ“ฆJava Collections
        • Hash๋ฅผ ์‚ฌ์šฉํ•˜๋Š” Collections
        • Tree๋ฅผ ์‚ฌ์šฉํ•˜๋Š” Collections
        • Set ํŒŒํ—ค์น˜๊ธฐ
        • List ํŒŒํ—ค์น˜๊ธฐ
        • Java Collections - Map
        • Thread-Safe ํด๋ž˜์Šค๋Š” ํ•„์š”ํ•  ๊ฒฝ์šฐ์—๋งŒ ์“ฐ์ž
        • equals()๋ฅผ ์˜ค๋ฒ„๋ผ์ด๋”ฉํ•˜๋ฉด, hashcode()๋„ ์˜ค๋ฒ„๋ผ์ด๋”ฉ ํ•ด์ฃผ์–ด์•ผ ํ•œ๋‹ค
      • โ˜๏ธJava์™€ ๋™๊ธฐํ™”
        • ์ž๋ฐ”์˜ ๋™๊ธฐํ™” 1 - volatile
        • ์ž๋ฐ”์˜ ๋™๊ธฐํ™” 2 - synchronized
        • ์ž๋ฐ”์˜ ๋™๊ธฐํ™” 3 - Lock-Free์™€ Atomic(CAS)
        • ์ž๋ฐ”์˜ ๋™๊ธฐํ™” 4 - ABA ๋ฌธ์ œ
      • ๐Ÿ“ซJava์™€ I/O
        • 1. Blocking/Non-Blocking, Synchronous/Asynchronous
        • 2. Java I/O ์•Œ์•„๋ณด๊ธฐ
        • 3. I/O ๋Œ€์‹  NIO?
        • 5. ์ž๋ฐ”์˜ ์ง๋ ฌํ™”/์—ญ์ง๋ ฌํ™”
      • โณJava์™€ ์‹œ๊ฐ„
        • Date, Calendar ์“ฐ์ง€ ๋ง์ž
        • Date ๋Œ€์‹  LocalDate๋ฅผ ์“ฐ์ž - java.time ํŒจํ‚ค์ง€ ์‚ดํŽด๋ณด๊ธฐ
      • ๐Ÿ•น๏ธJava์™€ Web
        • ์ž๋ฐ”์™€ ์›นํ”„๋กœ๊ทธ๋ž˜๋ฐ
        • ์ž๋ฐ”์™€ DB - JDBC, ์ปค๋„ฅ์…˜ํ’€
    • ๐ŸŽOOP
      • ๋””์ž์ธ ํŒจํ„ด
        • Singleton ํŒจํ„ด
        • Factory Method ํŒจํ„ด ์ž์„ธํžˆ
        • Adapter ํŒจํ„ด
        • Decorator ํŒจํ„ด
      • ๊ฐ์ฒด ์ง€ํ–ฅ ํŠน์ง•
        • ๊ฐ์ฒด ์ง€ํ–ฅ SOLID 5์›์น™
        • ๊ฐ์ฒด์ง€ํ–ฅ 4๊ฐ€์ง€ ํŠน์ง•
    • ๐Ÿ’กCS
      • ๐Ÿš€Network
        • Page 1
        • ์ „์†ก ๊ณ„์ธต 3 - TCP LINGER ์˜ต์…˜
        • ์ „์†ก ๊ณ„์ธต 4 - TCP/IP Socket Programming ์•Œ์•„๋ณด๊ธฐ
        • ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ณ„์ธต 1 - HTTP ์•Œ์•„๋ณด๊ธฐ
        • ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ณ„์ธต 2 - HTTPS์™€ SSL
        • ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜ ๊ณ„์ธต 3 - ์ฟ ํ‚ค์™€ ์„ธ์…˜
      • ๐Ÿ’ŒDatabase
        • RDB vs NoSQL
        • JDBC - Class.forName() ๋™์ž‘ ๋ฐฉ์‹
      • ๐Ÿ’ปOS
        • ํ”„๋กœ์„ธ์Šค์™€ ์Šค๋ ˆ๋“œ
    • ๐ŸŒบSpring
      • ๐Ÿง€์Šคํ”„๋ง์˜ IoC (+ ์ƒ์„ฑ์ž ์ฃผ์ž…์„ ์‚ฌ์šฉํ•ด์•ผ ํ•˜๋Š” ์ด์œ )
      • ๐Ÿ—๏ธ๋กœ๊ทธ์ธ๊ณผ ์„ธ์…˜, Spring Security
        • 1. ๋กœ๊ทธ์ธ ๊ตฌํ˜„ with ์ฟ ํ‚ค, ์„ธ์…˜
        • 2. ๋‹ค์ค‘ ์„œ๋ฒ„์—์„œ ๋กœ๊ทธ์ธ์ด ์„ธ์…˜ ์œ ์ง€๋ ๊นŒ?
        • 3. Spring Security ๊ธฐ๋ณธ ๋กœ์ง ์ดํ•ดํ•˜๊ธฐ
        • 4. ๋กœ๊ทธ์ธ ๊ตฌํ˜„ with Spring Security
    • ๐Ÿ“šBook
      • ๐Ÿ“—ํ† ๋น„์˜ Spring
        • 1์žฅ-1 ๋ฆฌํŒฉํ† ๋ง
        • 1์žฅ-2 ์Šคํ”„๋ง์˜ IoC
        • 2์žฅ ํ…Œ์ŠคํŠธ
        • 3์žฅ ํ…œํ”Œ๋ฆฟ
        • 4์žฅ ์˜ˆ์™ธ
      • ๐Ÿ“’์ž๋ฐ”์˜ ์‹ 
        • ch08 : ์ฐธ์กฐ ์ž๋ฃŒํ˜•
        • ch09 : ํŒจํ‚ค์ง€์™€ ์ ‘๊ทผ ์ œ์–ด์ž
        • ch10 : ์ƒ์†
        • ch12 : Object
        • ch13 : ์ธํ„ฐํŽ˜์ด์Šค์™€ ์ถ”์ƒํด๋ž˜์Šค, enum
        • ch14 : ์˜ˆ์™ธ
        • ch15 : String
        • ch19 : JVM
        • ch21 : Generic
        • ch22 : Collections - List
        • ch23 : Collections - Set, Queue
        • ch24 : Collections - Map
        • ch25 : Thread
      • if-else ๋Œ€์‹  Enum ์‚ฌ์šฉํ•˜๊ธฐ
    • ๐Ÿ„AWS
      • Untitled
  • ๐Ÿฅ Projects
    • Adventure Of Heendy
      • ๋กœ๊ทธ์ธ
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  • JDBC - Class.forName() ๋™์ž‘ ๋ฐฉ์‹

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