题解 | #字符串最后一个单词的长度#

import java.util.Scanner;

public class Main {
    private static int getTheLongestStr(String str) {
        String[] s = str.split(" ");
        return s[s.length - 1].length();
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String str = in.nextLine();

        System.out.println(Main.getTheLongestStr(str));
    }
}