题解 | #句子逆序#

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        String line;

        // 读取输入直到结束
        while ((line = reader.readLine()) != null) {
            // 将输入的句子按空格分割成单词数组
            String[] words = line.split(" ");

            // 逆序输出单词
            for (int i = words.length - 1; i >= 0; i--) {
                System.out.print(words[i]);
                // 最后一个单词后不加空格
                if (i > 0) {
                    System.out.print(" ");
                }
            }
            System.out.println();
        }
    }
}