题解 | #句子逆序#

完全使用了api,没有技术含量

import java.util.Collections;
import java.util.Scanner;
/**
 * @Description 句子逆序
 * @Author haixiaofei
 * @Date 2022/2/23 9:20
 **/
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        while (in.hasNextLine()) {
            String str = in.nextLine();
            String[] strings = str.split(" ");
            //数组转化为list，对list逆序
            Collections.reverse(Arrays.asList(strings));
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < strings.length; i++) {
                if (i == strings.length-1) {
                    sb.append(strings[i]);
                }else {
                    sb.append(strings[i]);
                    sb.append(" ");
                }
            }
            System.out.println(sb);
        }
    }
}