题解 | #字符串最后一个单词的长度#

import java.util.Scanner;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    String str = sc . nextLine();
    String[] s = str.split(" ");
    int length = s[s.length - 1].length();
    System.out.println(length);
  }
}