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Java Core Study

Java ์–ธ์–ด์™€ JVM ์‹ฌํ™” ํ•™์Šต ์ €์žฅ์†Œ์ž…๋‹ˆ๋‹ค.
ํ•œ ๋‹ฌ ๋™์•ˆ ๋น ๋ฅด๊ฒŒ ํšŒ๋…ํ•˜๋ฉด์„œ, ๋งค์ผ ํ•™์Šตํ•œ ๋‚ด์šฉ์„ ๊ธฐ๋กํ•ฉ๋‹ˆ๋‹ค.


๐ŸŽฏ ํ•™์Šต ๋ชฉํ‘œ

  • Java ์–ธ์–ด ํ•ต์‹ฌ ๊ฐœ๋… (OOP, Generics, Collections)
  • Stream API์™€ ํ•จ์ˆ˜ํ˜• ํ”„๋กœ๊ทธ๋ž˜๋ฐ
  • JVM ๊ตฌ์กฐ์™€ GC ๋™์ž‘ ์›๋ฆฌ
  • ๋™์‹œ์„ฑ ํ”„๋กœ๊ทธ๋ž˜๋ฐ (๋ฉ€ํ‹ฐ์Šค๋ ˆ๋“œ, CompletableFuture)
  • JDBC, Connection Pool, Transaction ์ดํ•ด

์ฐธ๊ณ ํ•œ ์ฑ…, ์˜์ƒ

  • jvm: JVM ๋ฐ‘๋ฐ”๋‹ฅ๊นŒ์ง€ ํŒŒํ—ค์น˜๊ธฐ
image
  • java: ๊น€์˜ํ•œ java ์ดˆ๊ธ‰, ์ค‘๊ธ‰, ๊ณ ๊ธ‰ (์ „ํŽธ)

๐Ÿ“† ํ•™์Šต ๊ธฐ๋ก

Week 1: Java Core & JVM

  • Day 1: Generics, Collection ๋ณต์Šต
  • Day 2: Stream API (map, filter, reduce)
  • Day 3: Optional, ๋žŒ๋‹ค์‹
  • Day 4: JVM ๋ฉ”๋ชจ๋ฆฌ ๊ตฌ์กฐ, ClassLoader
  • Day 5: GC ์ข…๋ฅ˜์™€ ๋™์ž‘ ๋ฐฉ์‹
  • Day 6: GC ๋กœ๊ทธ ๋ถ„์„, ํŠœ๋‹ ๊ธฐ์ดˆ
  • Day 7: ์ฃผ๊ฐ„ ์ •๋ฆฌ

Week 2: ๋™์‹œ์„ฑ & ์„ฑ๋Šฅ

  • Day 8: Thread, Runnable, ExecutorService
  • Day 9: synchronized, volatile, Atomic
  • Day 10: CompletableFuture, ๋ณ‘๋ ฌ ์ŠคํŠธ๋ฆผ
  • Day 11: ํ”„๋กœํŒŒ์ผ๋ง(jconsole, jvisualvm)
  • Day 12: JVM ํŠœ๋‹ ์‹ค์Šต
  • Day 13: JDBC, Connection Pool
  • Day 14: ์ฃผ๊ฐ„ ์ •๋ฆฌ (๋ฏธ๋‹ˆ ํ”„๋กœ์ ํŠธ)

๐Ÿ“‚ ์ฐธ๊ณ 

  • ํ•™์Šต ์˜ˆ์ œ ์ฝ”๋“œ๋Š” /src ๋””๋ ‰ํ† ๋ฆฌ์— ์ •๋ฆฌ
  • ๋ธ”๋กœ๊ทธ/๋…ธ์…˜ ์ •๋ฆฌ ๋งํฌ๋„ ์ถ”๊ฐ€ ์˜ˆ์ •

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