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๐Ÿƒ‍โ™€๏ธprogrammers/Java

หšโ‚Šโœฉโ€งโ‚Š ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - java 9๋กœ ๋‚˜๋ˆˆ ๋‚˜๋จธ์ง€ หšโ‚Šโœฉโ€งโ‚Š

HYEJU01 2024. 4. 27. 19:12

๐Ÿ’ก ์ง์ ‘ ํ‘ผ ์ฝ”๋“œ 

 

๐Ÿ’ฌ Character.getNumericValue()  : ์ฃผ์–ด์ง„ ๋ฌธ์ž์— ๋Œ€ํ•œ ์ˆซ์ž ๊ฐ’์„ ๋ฐ˜ํ™˜

๐Ÿ’ฌ charAt()  ๋ฌธ์ž์—ด์—์„œ ํŠน์ • ์œ„์น˜์˜ ๋ฌธ์ž๋ฅผ ๊ฐ€์ ธ์˜จ๋‹ค.

 

class Solution {
    public int solution(String number) {
        int answer = 0;
        
        for (int i=0; i < number.length(); i++){
            answer += Character.getNumericValue((number.charAt(i)));
        }
        
        answer %= 9;
        
        return answer;
    }
}