题解 | #句子逆序#

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 scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        String strTrim = str.trim();//删掉首位空格
        //以空格分割为数组
        String[] s = strTrim.split(" ");
        for (int i = s.length-1; i >=0; i--) {
            System.out.print(s[i]+" ");
        }
        scanner.close();
    }
}