题解 | #单词倒排#

import java.util.Scanner;

public class Main { //单词倒排 /* 输入：I am a student 输出：student a am I

输入：$bo*y gi!r#l
输出：l r gi y bo
 */
public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    while (in.hasNext()) {
        String str = in.nextLine();
        StringBuilder sb = new StringBuilder();
        String[] split = str.split("[^a-z^A-Z]");

        for (int i = split.length - 1; i >= 0; i--) {
            String s = split[i];
            sb.append(s).append(" ");
        }
        System.out.println(sb.toString().trim());
    }
}

}