题解 | HJ34#图片整理#

import java.util.*;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        char[] chars = str.toCharArray();
        char ch = ' ';
        //遍历数组按ASCII从小到大排序
        for (int i = 0; i < chars.length; i++) {
            for (int j = i + 1; j < chars.length ; j++) {
                //若前大于后则交换位置
                if (chars[i] > chars[j]) {
                    ch = chars[i];
                    chars[i] = chars[j];
                    chars[j] = ch;
                }
            }
        }
        //排列后即可输出
//        System.out.print(Arrays.toString(chars));
        for (char c : chars) {
            System.out.print(c);
        }
    }
}