题解 | #单词倒排#

import java.util.Scanner;

// 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 sc = new Scanner(System.in);
        String[] words = sc.nextLine().split("\\W+");
        int n = words.length;
        for (int i = 0; i < n / 2; i++) {
            String temp = words[i];
            words[i] = words[n - 1 - i];
            words[n - 1 - i] = temp;
        }
        System.out.println(String.join(" ", words));
    }
}