๊ด€๋ฆฌ ๋ฉ”๋‰ด

๋ชฉ๋ก์ฒซ๊ธ€์ž๋Œ€๋ฌธ์ž (2)

๋‚˜์˜ ๋ชจ์–‘

[DailyCoding] 06 | letterCapitalize

โœ๐Ÿป Description ๋ฌธ์ž์—ด์„ ์ž…๋ ฅ๋ฐ›์•„ ๋ฌธ์ž์—ด์„ ๊ตฌ์„ฑํ•˜๋Š” ๊ฐ ๋‹จ์–ด์˜ ์ฒซ ๊ธ€์ž๊ฐ€ ๋Œ€๋ฌธ์ž์ธ ๋ฌธ์ž์—ด ๋ฆฌํ„ด ๐Ÿ“ Flow 1. ๋ฌธ์ž์—ด๋กœ ์ด๋ฃจ์–ด์ง„ ๋‹จ์–ด๋ฅผ์„ ๋Œ๋ฆฌ๋ฉด์„œ ๋‹ด์•„์ค„ ๋ฐฐ์—ด ๋งŒ๋“ค๊ธฐ - ๋‹จ์–ด ๊ณต๋ฐฑ์œผ๋กœ ๊ตฌ๋ถ„ => .split(); 2. ๊ฒฐ๊ณผ๊ฐ’ ๋‹ด์„ ๋ณ€์ˆ˜ ๋งŒ๋“ค๊ธฐ 3. ๋‹จ์–ด ์ˆœํšŒ => for - String.valueOf(), substring() 4. ๊ฐ ๋‹จ์–ด ์ฒซ๊ธ€์ž ๋Œ€๋ฌธ์ž => .toUpperCase() 5. ๋ฌธ์ž์—ด join 5. ๋ฌธ์ž์—ด ๋ฆฌํ„ด ๐Ÿคฏ Difficulty ๋ฌธ์ž์—ด์„ ์ฝ์–ด์˜ค๋Š” ๊ฒƒ ๊ณต๋ฐฑ์œผ๋กœ ๊ตฌ๋ถ„๋œ ๋‹จ์–ด ์•ž์„ ๋Œ€๋ฌธ์ž๋กœ ๋งŒ๋“œ๋Š” ๊ฒƒ ๐Ÿช† Attempt ๋‹จ์–ด ๊ตฌ๋ถ„ → for๋ฌธ์—์„œ ๋ฌธ์ž์—ด ๋ฐ˜๋ณต → ์ฒซ ๊ธ€์ž ๋Œ€๋ฌธ์ž splitํ•œ ๋ฌธ์ž์—ด join ๐Ÿ“š TIL split() ๋ฆฌํ„ด: ๋ฌธ์ž์—ด → ๋ฌธ์ž์—ด ๋ฐฐ์—ด Parameters..

SEB/Daily Coding 2022. 7. 28. 20:53
[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