题解 | #单词倒排#

package edu.shanxi.practise.hj31;

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String line = sc.nextLine();
        List<String> list = new ArrayList<>();
        StringBuilder sb = new StringBuilder();
        for(int i = 0;i < line.length();i++) {
            char c_temp = line.charAt(i);
            if(c_temp>='a' && c_temp<='z') {
                sb.append(c_temp);
            }else if(c_temp>='A' && c_temp<='Z') {
                sb.append(c_temp);                
            }else {
                list.add(sb.toString());
                sb.delete(0, sb.length());
            }
            
            if(i == line.length()-1) list.add(sb.toString());
        }
        
        for(int i = list.size()-1;i >= 0;i--) {
            System.out.print(list.get(i)+" ");
        }
        sc.close();
    }
}