๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋กfirstCharacter (1)

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[DailyCoding] 04 | firstCharacter

โœ๐Ÿป Description ๋ฌธ์ž์—ด์„ ์ž…๋ ฅ๋ฐ›์•„ ๋ฌธ์ž์—ด์„ ๊ตฌ์„ฑํ•˜๋Š” ๊ฐ ๋‹จ์–ด์˜ ์ฒซ๊ธ€์ž๋กœ ์ด๋ฃจ์–ด์ง„ ๋ฌธ์ž์—ด ๋ฆฌํ„ด ๐Ÿ“ Flow 1. ๋นˆ ๋ฌธ์ž์—ด => ๋นˆ ๋ฐฐ์—ด ๋ฆฌํ„ด 2. ๋‹จ์–ด ์ฒซ ๊ธ€์ž ๋‹ด์„ ๋ฐฐ์—ด ์„ ์–ธ 3. ๊ฐ ๋‹จ์–ด ์ฒซ๊ธ€์ž ๋ฆฌํ„ดํ•  ๋ณ€์ˆ˜ ์„ ์–ธ 4. ๋‹จ์–ด ๋ฐ˜๋ณตํ•˜๊ณ  => for ๋ฐ˜๋ณตํ•œ ๋‹จ์–ด๋Œ๋ฆฌ๋ฉด์„œ ์ถ”์ถœํ•œ ์•ž ๋‹จ์–ด๋ฅผ 3๋ฒˆ์— ๋Œ€์ž… 5. ๋ฆฌํ„ด ๐Ÿคฏ Difficulty 4๋ฒˆ์„ ์˜์‚ฌ์ฝ”๋“œ๋กœ ์ž์„ธํ•˜๊ฒŒ(?) ์ž‘์„ฑํ•˜๊ณ  ๊ตฌํ˜„ํ•˜๋Š” ๊ฒƒ ๐Ÿช† Attempt ๋ ˆํผ๋Ÿฐ์Šค → ์ดํ•ด → ๊ตฌํ˜„ ํ•„์š”ํ•œ ๋ฉ”์„œ๋“œ ํ™•์ธ ๐Ÿ“š TIL charAt() String type์„ char type์œผ๋กœ ๋ณ€ํ™˜ ์‚ฌ์šฉ๋ฌธ์ž์—ด_๋ณ€์ˆ˜์ด๋ฆ„.charAt(๋ฌธ์ž์—ด ์ˆœ์„œ) ๐Ÿ‘ฉ๐Ÿป‍๐Ÿ’ป Implementation if(str.length() == 0) return ""; String[] words = s..

SEB/Daily Coding 2022. 7. 26. 20:45