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 sc = new Scanner(System.in);
        String s = sc.nextLine();
        String[] strings = s.split(" ");
        for (int r = strings.length-1; r >= 0; r--) {
            if (r==0){
                System.out.print(strings[r]);
            } else {
                System.out.print(strings[r] + " ");
            }
        }
    }
}