[Programmers] 문자열 내림차순으로 배치하기 Python / Java

Python

def solution(s):
    answer = ''.join(sorted(s, reverse = True))
    return answer

Java

import java.util.Arrays;
class Solution {
    public String solution(String s) {
        char[] arr = s.toCharArray();
        Arrays.sort(arr);
        return new StringBuilder(new String(arr)).reverse().toString();
    }
}