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My Tech Blog (์™ธ๊ณ„ํ–‰์„ฑ์˜ ๋‚˜์ด)

์˜ค๋Š˜์˜ ๋ช…์–ธ
" ๋‚˜๋Š” ํ•ญ์ƒ ๋‚˜์˜ ์ตœ๊ณ ์˜ ๊ฑธ์ž‘์„ ํ–ฅํ•ด ๋‚˜์•„๊ฐ€๊ณ  ์žˆ๋‹ค. "
- ๋งˆ์ดํด ์•ค์ ค๋กœ (์ดํƒˆ๋ฆฌ์•„ ๋ฅด๋„ค์ƒ์Šค ์‹œ๋Œ€ ํ™”๊ฐ€, ์กฐ๊ฐ๊ฐ€)
๐Ÿ“‘ 1. ๋ฌธ์ œ์„ค๋ช…๐Ÿ’ก 2. ์ ‘๊ทผ๋ฐฉ์‹`String.valueOf()` Java์—์„œ ๋‹ค์–‘ํ•œ ํƒ€์ž…์˜ ๊ฐ’์„ ๋ฌธ์ž์—ด๋กœ ๋ณ€ํ™˜ํ•˜๋Š” ๋ฉ”์„œ๋“œ`๋ฌธ์ž์—ด ๋ณ€์ˆ˜๋ช….toCharArray()`: ๋ฌธ์ž์—ด์„ ํ•œ๊ธ€์ž์”ฉ ๋ฐฐ์—ด๋กœ ๋งŒ๋“œ๋Š” ๋ฉ”์„œ๋“œ`(char)('a' + (digit - '0'))`: ์ˆซ์ž๋ฅผ ๋ฌธ์ž๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ ์•ŒํŒŒ๋ฒณ์„ ์–ป๋Š” ์ฝ”๋“œ (์•„๋ž˜์—์„œ ์ž์„ธํžˆ ์„ค๋ช…)โญ 3. ์ •๋‹ต์ฝ”๋“œclass Solution { public String solution(int age) { StringBuilder result = new StringBuilder(); String ageStr = String.valueOf(age); for (char digit : ageStr.toCharArray()) { ..
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