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 str = sc.nextLine();
        int len = str.length();
        if(len<1 || len>1000){
            return;
        }

        String[] strArr = str.split(" ");
        int size = strArr.length;
        if(size == 0){
            System.out.println(str);
            return;
        }

        StringBuilder sb = new StringBuilder();
        for(int i=size-1; i>=0; i--){
            sb.append(strArr[i]).append(" ");
        }
        System.out.println(sb.toString());
    }
}