图片说明

import java.util.Scanner;

/**

  • HJ1 字符串最后一个单词的长度
  • /
    public class Main{
    public static void main(String[] args) {
      Scanner sc = new Scanner(System.in);
      while (sc.hasNext()){
          String s = sc.nextLine();
          char[] c = s.toCharArray();
          int len = c.length;
          int length = 0;
          for(int i=len-1; i>=0; i--){
              if(c[i] != ' ') length++;
              else break;
          }
          System.out.println(length);
      }
    }
    }