题解 | #字符串最后一个单词的长度#

import java.io.InputStream;
public class Main {
    public static void main(String[] args) throws Exception{
        int length = 0;
        InputStream inputStream = System.in;
        char c = (char) inputStream.read();
        while (c != '\n'){
            if (c == ' '){
                length = 0;
            } else {
                length += 1;
            }
            c = (char) inputStream.read();
        }
        System.out.println(length);
    }
}

import java.util.*;
public class Main {
    public static void main(String[] args){
        int length = 0;
        Scanner sc = new Scanner(System.in);
        String[] str = sc.nextLine().trim().split(" ");
        System.out.println(str[str.length - 1].length());
    }
}