题解 | 字符串最后一个单词的长度

import java.util.Scanner;
public class Main{
    public  static int lengthOfLast(String str){
        String[] s= str.split(" ");
        return s[s.length-1].length();  
    }

    public static void main(String[] args){
      Scanner sc = new Scanner(System.in);
      int len;
      while (sc.hasNext()){
        len = lengthOfLast(sc.nextLine());
        System.out.println(len);
      }
    }
}