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string2

[Java DeepDive] - String (2) ๋‚ด์žฅ ํ•จ์ˆ˜ ๐Ÿ“Ž String (2) - ๋‚ด์žฅ ํ•จ์ˆ˜ ์•ˆ๋…•ํ•˜์„ธ์š”, ์ง€๋‚œ ์‹œ๊ฐ„์—๋Š” String - ๋ฌธ์ž์—ด ์ƒ์„ฑ ๊ด€๋ จํ•ด์„œ ์‚ดํŽด๋ณด์•˜๋Š”๋ฐ์š”, ์ด๋ฒˆ์—๋Š” String ํด๋ž˜์Šค์— ์กด์žฌํ•˜๋Š” ๋ฉ”์„œ๋“œ๋“ค ์ค‘ ์ผ๋ถ€ ๋ฉ”์„œ๋“œ๋“ค์— ๋Œ€ํ•ด ๋‚ด๋ถ€ ์ฝ”๋“œ๋ฅผ ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. (์˜ˆ์ œ ์ฝ”๋“œ๋Š” ๊นƒํ—ˆ๋ธŒ์—์„œ ํ™•์ธํ•˜์‹ค ์ˆ˜ ์žˆ์œผ๋ฉฐ, ๋ฒ„์ „์€ Java 11์„ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.) String ํด๋ž˜์Šค ๋‚ด์˜ ๋ฉ”์„œ๋“œ๋“ค์€ ์œ„ ์‚ฌ์ง„์ฒ˜๋Ÿผ ๊ต‰์žฅํžˆ ๋งŽ์ด ์กด์žฌํ•˜๋Š”๋ฐ์š”, ๊ฐœ์ธ์ ์œผ๋กœ ์ž์ฃผ ์‚ฌ์šฉํ•˜๋Š” ๋ฉ”์„œ๋“œ๋“ค์— ๋Œ€ํ•ด ์ •๋ฆฌํ•ด ๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. · String.length() @Stable private final byte[] value; ... static final boolean COMPACT_STRINGS; static { COMPACT_STRINGS = true; } ... public int lengt.. 2022. 10. 23.
[Java DeepDive] - String (1) ๋ฌธ์ž์—ด ์ƒ์„ฑ ๐Ÿ“Ž String (1) - ๋ฌธ์ž์—ด ์ƒ์„ฑ ์ž๋ฐ”์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ์‚ฌ์šฉ๋˜๋Š” ํƒ€์ž… ์ค‘ ํ•˜๋‚˜์ธ ๋ฌธ์ž์—ด(String)์— ๋Œ€ํ•ด ์‚ดํŽด๋ณด๊ฒ ์Šต๋‹ˆ๋‹ค. (์˜ˆ์ œ ์ฝ”๋“œ๋Š” ๊นƒํ—ˆ๋ธŒ์—์„œ ํ™•์ธํ•˜์‹ค ์ˆ˜ ์žˆ์œผ๋ฉฐ, ๋ฒ„์ „์€ Java 11์„ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.) String ๋ฌธ์ž์—ด ์ƒ์„ฑ - new, literal ๋ณดํ†ต ์ž๋ฐ”์—์„œ ๊ฐ์ฒด๋ฅผ ์ƒ์„ฑํ•  ๋•Œ๋Š” new ํ‚ค์›Œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ธ์Šคํ„ด์Šค๋ฅผ ์ƒ์„ฑํ•˜์ง€๋งŒ, String์˜ ๊ฒฝ์šฐ ๋ฆฌํ„ฐ๋Ÿด(literal)์„ ํ†ตํ•ด ๊ฐ’์„ ๋ฐ”๋กœ ํ• ๋‹นํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. public static void main(String[] args) { final String str1 = "JuHyun"; // [1] final String str2 = "JuHyun"; // [2] final String str3 = new String("JuHyun"); .. 2022. 10. 10.
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