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๐Ÿ’Ž JAVA/JAVA ๊ฐœ๋…์ •๋ฆฌ 2

๋ฌธ์ž ๋ฐฐ์—ด <-> ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๋ฐฉ๋ฒ•

String ์ƒ์„ฑ์ž ์‚ฌ์šฉ: ์ž๋ฐ”์˜ String ํด๋ž˜์Šค๋Š” ๋ฌธ์ž ๋ฐฐ์—ด์„ ์ธ์ž๋กœ ๋ฐ›์•„ ๋ฌธ์ž์—ด์„ ์ƒ์„ฑํ•˜๋Š” ์ƒ์„ฑ์ž๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค.String.valueOf() ๋ฉ”์„œ๋“œ ์‚ฌ์šฉ: String ํด๋ž˜์Šค์˜ valueOf ๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์ž ๋ฐฐ์—ด์„ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.StringBuilder ์‚ฌ์šฉ: StringBuilder๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์ž ๋ฐฐ์—ด์„ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•  ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค.Arrays.toString() ๋ฉ”์„œ๋“œ ์‚ฌ์šฉ: ์ด ๋ฐฉ๋ฒ•์€ ๋ฌธ์ž ๋ฐฐ์—ด์„ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•  ๋•Œ ๋งŽ์ด ์‚ฌ์šฉ๋˜์ง€ ์•Š์ง€๋งŒ, ๋ฐฐ์—ด์„ ๋ฌธ์ž์—ด๋กœ ํ‘œํ˜„ํ•  ๋•Œ ์œ ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹ค๋งŒ, ๋ฐฐ์—ด ์š”์†Œ๋“ค์ด ์‰ผํ‘œ์™€ ๊ณต๋ฐฑ์œผ๋กœ ๊ตฌ๋ถ„๋œ ํ˜•ํƒœ๋กœ ์ถœ๋ ฅ๋ฉ๋‹ˆ๋‹ค. String.toCharArray() ๋ฉ”์„œ๋“œ ์‚ฌ์šฉ:charAt() ๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ˆ˜๋™์œผ๋กœ ๋ณ€ํ™˜:

์ž๋ฐ” ์ถœ๋ ฅ๋ฌธ ์ •๋ฆฌ (println,print, printf)

System.out.println(): System.out.println()์€ ์ž๋ฐ”์—์„œ ๊ฐ€์žฅ ์ผ๋ฐ˜์ ์œผ๋กœ ์‚ฌ์šฉ๋˜๋Š” ์ถœ๋ ฅ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. println()์€ ๊ด„ํ˜ธ ์•ˆ์— ์ „๋‹ฌ๋œ ์ธ์ž๋ฅผ ์ถœ๋ ฅํ•œ ํ›„ ์ž๋™์œผ๋กœ ์ค„์„ ๋ฐ”๊ฟ‰๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด: javaCopy code System.out.println("Hello, world!"); System.out.print(): System.out.print()๋„ println()๊ณผ ์œ ์‚ฌํ•˜์ง€๋งŒ ์ค„ ๋ฐ”๊ฟˆ์„ ํ•˜์ง€ ์•Š๊ณ  ์ถœ๋ ฅ๋งŒ ํ•ฉ๋‹ˆ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด: javaCopy code System.out.print("Hello, "); System.out.print("world!"); System.out.printf(): System.out.printf()๋Š” C ์–ธ์–ด์˜ printf()์™€ ์œ ์‚ฌํ•œ ํฌ๋งท์„ ..