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 in=new Scanner(System.in);
    String str=in.nextLine();
    String[] strArray=str.split(" ");
    System.out.println(strArray[strArray.length-1].length());

}

}