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๐Ÿƒ‍โ™€๏ธprogrammers/Java

หšโ‚Šโœฉโ€งโ‚Š ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค - java ๋ชจ์Œ์ œ๊ฑฐ หšโ‚Šโœฉโ€งโ‚Š

HYEJU01 2024. 5. 17. 14:30
์ฒด๊ฐ Level : โ˜… โ˜† โ˜†
Review: ๋ชจ์Œ์„ ์ฐพ๊ณ  ์ฒ˜๋ฆฌํ•˜๋Š” ๋ถ€๋ถ„์—์„œ ์‚ด์ง ๋ง‰ํžˆ๊ธดํ–ˆ์ง€๋งŒ ์ถฉ๋ถ„ํžˆ ํ’€๋งŒํ–ˆ๋‹ค! 

 

 

 ๐Ÿ’ก ๋ฌธ์ž์—ด์— ์žˆ๋Š” ๋ชจ์Œ a e i o u ๋ฅผ ์ œ์™ธํ•˜๋Š” ๋ฌธ์ œ์ด๋‹ค.

 

๋ฌธ์ž ๋ฐฐ์—ด์„ ํ†ตํ•ด ํ’€์–ด๋ดค๋‹ค !

 

1) ๋ชจ์Œ์„ ๋ฌธ์ž ๋ฐฐ์—ด์— ๋„ฃ๋Š”๋‹ค.

2) str ์„ ๋ฌธ์ž ํ•˜๋‚˜์”ฉ ๊ฐ€์ ธ์˜ค๊ณ  , ๋ชจ์Œ๋ฐฐ์—ด๊ณผ ๋น„๊ตํ•ด์ค€๋‹ค.

> ์ด๋•Œ 2์ค‘ for ๋ฌธ ์•ˆ์—์„œ ๋ฌธ์ž๋ฅผ ๋ฌธ์ž์—ด์— ์ €์žฅํ•ด์ฃผ๋ฉด ๊ฐ’์ด ์—ฌ๋Ÿฌ๋ฒˆ ๋“ค์–ด๊ฐ€๊ธฐ๋•Œ๋ฌธ์—

3) flag ๋ณ€์ˆ˜๋ฅผ ์„ ์–ธํ•ด์„œ ๊ฐ™์€๊ฐ’์ด ์žˆ๋Š”์ง€ ์—†๋Š”์ง€ ๊ตฌ๋ถ„ํ•ด์ค€๋‹ค.

4) ๋ชจ์Œ๊ณผ ๊ฐ™์ง€ ์•Š๋‹ค๋ฉด ์ถ”๊ฐ€

๋ชจ์Œ๊ณผ ๊ฐ™์€ ๊ฐ’์ด ์žˆ๋‹ค๋ฉด flag = 0 ์œผ๋กœ ์ดˆ๊ธฐํ™”ํ•ด์ฃผ๊ณ  ์ถ”๊ฐ€ํ•˜์ง€์•Š๋Š”๋‹ค.

 

class Solution {
    public String solution(String my_string) {
        String answer = "";
        char[] str = {'a','e','i','o','u'};
        int flag = 0;
        
        for(int i = 0; i <my_string.length(); i++){
            for (int j = 0; j<str.length; j++){ //๋ชจ์Œ ๋น„๊ต 
                if (my_string.charAt(i) == str[j]){
                    flag = 1; //๊ฐ™์€๊ฐ’๋ฐœ๊ฒฌ
                    break;
                }
            }
            if (flag == 0){
                answer += String.valueOf(my_string.charAt(i));
            }else {
               flag = 0;
            }
        }
        
        return answer;
    }
}

 

 โญ์ฝ”๋“œ๋ฆฌ๋ทฐ

 

๐Ÿ’ฌ replaceAll(์ฐพ์„๋ถ€๋ถ„,๋Œ€์ฒด)  :: ์ผ์น˜ํ•˜๋Š” ๋ชจ๋“  ๋ถ€๋ถ„์„ ๋Œ€์ฒด๋ฌธ์ž์—ด๋กœ ๋Œ€์ฒดํ•ด์„œ ์ƒˆ๋กœ์šด ๋ฌธ์ž์—ด์„ ๋ฐ˜ํ™˜

๐Ÿ’ฌ [aeiou]: ๋Œ€๊ด„ํ˜ธ ์•ˆ์— ๋‚˜์—ด๋œ ๋ฌธ์ž ์ค‘ ํ•˜๋‚˜์™€ ์ผ์น˜ํ•˜๋ฉด ~

๐Ÿ’ฌ [aeiouAEIOU] ๋Œ€๋ฌธ์ž ๋ชจ์Œ๋„ ์ œ๊ฑฐํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด ์ •๊ทœ ํ‘œํ˜„์‹์„ 

class Solution {
    public String solution(String my_string) {
        String answer = "";

        answer = my_string.replaceAll("[aeiou]", "");
	//  return myString.replaceAll("a|e|i|o|u", "");
        return answer;
    }
}