31. ascii code, Character - 문자열 내림차순으로 배치하기

 

 

 

 

 

코드

 

 

import java.util.Arrays;
class Solution {
    public String solution(String s) {
        String answer = "";
		char [] arr = new char [s.length()];
		
		for (int i=0; i<s.length(); i++) {
			arr[i] = s.charAt(i);
		}
		
		Arrays.sort(arr);
		
		for (int i=arr.length-1; i>=0; i--) {
			answer += Character.toString(arr[i]);
		}
        return answer;
    }
}

 

 

 

 

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