题解 | #图片整理#

Arrays.sort

import java.util.Scanner;

public class Main {
    //HJ34 图片整理
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            char[] chars = sc.nextLine().toCharArray();
            Arrays.sort(chars);
            StringBuilder sb = new StringBuilder();
            for (char c : chars) {
                sb.append(c);
            }
            System.out.println(sb);
        }
    }
}