题解 | #单词倒排#

方法与【HJ13】句子逆序一样

import java.util.*;
public class Main{
    public static void main(String [] args){
        getWordReserse();
    }
    public static void getWordReserse(){
        Scanner scan = new Scanner(System.in);
        String input = scan.nextLine();
        StringBuilder word = new StringBuilder();
        for(int j = 0; j < input.length(); j++){
            char ch = input.charAt(j);
            if(('a' <= ch && ch<= 'z') || ('A'<=ch && ch<= 'Z')){
                word.append(ch + "");
            }else{
                word.append(" ");
            }
         }
        String [] wordArray = word.toString().split(" ");
        for(int i = wordArray.length-1 ; i >= 0; i--){
            System.out.print(wordArray[i]+" ");
        }
    }
}