JAVA (JDK, JRE, JVM ์ฐจ์ด์ )

โœ… JAVA (JVM, JRE, JDK๊ณผ ๋ฒ„์ „ ๋ช…๋ช…๋ฒ•)1. JVM (Java Virtual Machine)์ •์˜: JVM์€ Java Virtual Machine์œผ๋กœ, Java ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์‹คํ–‰ํ•˜๋Š” ๊ฐ€์ƒ ๋จธ์‹ ์ž…๋‹ˆ๋‹ค. Java๋Š” ํ”Œ๋žซํผ ๋…๋ฆฝ์ ์ธ ์–ธ์–ด๋กœ ์„ค๊ณ„๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์—, JVM์€ ์šด์˜์ฒด์ œ์— ๋”ฐ๋ผ Java ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋„๋ก ๋„์™€์ค๋‹ˆ๋‹ค.์—ญํ• : ์ปดํŒŒ์ผ๋œ ๋ฐ”์ดํŠธ์ฝ”๋“œ(.class ํŒŒ์ผ)๋ฅผ ์ฝ๊ณ , ์ด๋ฅผ ๊ฐ ์šด์˜์ฒด์ œ์— ๋งž๊ฒŒ ์‹คํ–‰ํ•˜๋Š” ์—ญํ• ์„ ํ•ฉ๋‹ˆ๋‹ค.ํŠน์ง•:์šด์˜์ฒด์ œ์™€ ์ƒ๊ด€์—†์ด Java ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜์ด ์‹คํ–‰๋  ์ˆ˜ ์žˆ๊ฒŒ ํ•จ.๋ฉ”๋ชจ๋ฆฌ ๊ด€๋ฆฌ ๋ฐ ๊ฐ€๋น„์ง€ ์ปฌ๋ ‰์…˜(Garbage Collection)์„ ์ˆ˜ํ–‰.๋ฐ”์ดํŠธ์ฝ”๋“œ๋ฅผ ํ•ด์„ํ•˜์—ฌ ๋„ค์ดํ‹ฐ๋ธŒ ์ฝ”๋“œ๋กœ ๋ณ€ํ™˜.ํ”Œ๋žซํผ ๋…๋ฆฝ์„ฑ: ํ•œ ๋ฒˆ ์ž‘์„ฑ๋œ Java ์ฝ”๋“œ๊ฐ€ ์—ฌ๋Ÿฌ ์šด์˜์ฒด์ œ์—์„œ ์‹คํ–‰๋  ์ˆ˜ ์žˆ๋Š”..

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