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 in = new Scanner(System.in);
    //     String line  = in.nextLine();
    //     String[] splits = line.split(" ");
    //     int len = splits.length;
    //     StringBuffer sb = new StringBuffer();
    //     for(int i=0;i<len;i++){
    //         sb.append(splits[len-1-i]+" ");
    //     }
    //     System.out.print(sb.toString().trim());
    // }
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String line  = in.nextLine();
        String[] splits = line.split(" ");
        int len = splits.length;
        for(int i=0;i<len/2;i++){
            String tmp = splits[i];
            splits[i] = splits[len-1-i];
            splits[len-1-i] = tmp;
        }
        StringBuffer sb = new StringBuffer();
        for(int i=0;i<len;i++){
            sb.append(splits[i]+" ");
        }
        System.out.print(sb.toString().trim());
    }
}

这样的题目做多了人容易变成sz