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[] s = str.split(" ");
        int length=s[s.length-1].length();
        System.out.println(length);
    }
}