uploaded at 2022. 12. 17. 오후 10:21:42

programmers/정수 내림차순으로 배치하기/solution.java

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+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/12933
+
+import java.util.Arrays;
+import java.util.*;
+class Solution {
+    public long solution(long n) {
+        long answer = 0;
+        String c = n+"";
+        char[] ca = c.toCharArray();
+        Arrays.sort(ca);
+        return Long.parseLong((new StringBuilder(String.valueOf(ca))).reverse().toString());
+    }
+}