๐Ÿ“ ๊ธฐ๋ก/โœ๏ธ TIL(Daily)

23. 5. 22. ๊ธฐ์ดˆ ๋‹ค์ง€๊ธฐ

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์ถœ์ฒ˜ | https://medium.com/@xjpp22/top-100-java-interview-questions-for-1-to-3-years-experienced-programmers-63ad74069cb6

 

Top 100 Java Interview Questions for 1 to 3 Years Experienced Programmers

containers, multithreading, reflection, object copy, Java Web, exceptional cases, internet, Spring MVC.

medium.com

 


 

๐Ÿ“Œ JDK์™€ JRE์˜ ์ฐจ์ด์ ์€ ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?

JRE(Java Runtime Environment)

JRE(Java Runtime Environment)๋Š” ์ž๋ฐ” ์‹คํ–‰ ํ™˜๊ฒฝ์ด๋‹ค. JVM ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ Java binaries, Java ํด๋ž˜์Šค ๋ผ์ด๋ธŒ๋Ÿฌ๋ฆฌ ๋“ฑ์„ ํฌํ•จํ•˜๊ณ  ์žˆ์–ด ์ž๋ฐ” ํ”„๋กœ๊ทธ๋žจ์˜ ์‹คํ–‰์„ ์ง€์›ํ•œ๋‹ค.

But, ์ปดํŒŒ์ผ๋Ÿฌ๋‚˜ ๋””๋ฒ„๊ฑฐ(Debugger) ๋“ฑ์˜ ๋„๊ตฌ๋Š” ํฌํ•จํ•˜์ง€ ์•Š๋Š”๋‹ค.

๋”ฐ๋ผ์„œ, JRE๋Š” ์ž๋ฐ” ํ”„๋กœ๊ทธ๋žจ์„ ๊ฐœ๋ฐœํ•˜๋Š” ๊ฒƒ์ด ์•„๋‹ˆ๋ผ ์‹คํ–‰ํ•˜๊ธฐ๋งŒ ์›ํ•œ๋‹ค๋ฉด JRE๋ฅผ ์„ค์น˜ํ•˜๋ฉด ๋œ๋‹ค.

 

JDK(Java Development Kit)

JDK(Java Development Kit)๋Š” ๋ง ๊ทธ๋Œ€๋กœ ์ž๋ฐ” ๊ฐœ๋ฐœ ํ‚คํŠธ์ด๋ฉฐ, ์ž๋ฐ” ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์„ ๊ฐœ๋ฐœํ•˜๊ธฐ ์œ„ํ•œ ํ™˜๊ฒฝ์„ ์ง€์›ํ•œ๋‹ค. JDK๋Š” JRE๋ฅผ ํฌํ•จํ•  ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ ์ปดํŒŒ์ผ๋Ÿฌ(Javac), Javadoc, Jar ๋“ฑ ๊ฐœ๋ฐœ์— ์œ ์šฉํ•œ ๋„๊ตฌ๋“ค์„ ํฌํ•จํ•˜๊ณ  ์žˆ๋‹ค.

๋”ฐ๋ผ์„œ, ์ž๋ฐ” ํ”„๋กœ๊ทธ๋žจ์„ ๊ฐœ๋ฐœํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” JDK๋ฅผ ์„ค์น˜ํ•ด์„œ ์‚ฌ์šฉํ•ด์•ผํ•œ๋‹ค.

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Contents

ํฌ์ŠคํŒ… ์ฃผ์†Œ๋ฅผ ๋ณต์‚ฌํ–ˆ์Šต๋‹ˆ๋‹ค

์ด ๊ธ€์ด ๋„์›€์ด ๋˜์—ˆ๋‹ค๋ฉด ๊ณต๊ฐ ๋ถ€ํƒ๋“œ๋ฆฝ๋‹ˆ๋‹ค.