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 scanner = new Scanner(System.in);
        String s = scanner.nextLine().trim();
        System.out.println(lastWordLength(s));
    }

    public static int lastWordLength(String s) {
        String[] words = s.split(" ");
        return words.length > 0 ? words[words.length - 1].length() : 0;
    }
}