题解 | #字符串最后一个单词的长度#

import java.util.Scanner;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String last = "";
        while (scanner.hasNext()) {
            last = scanner.next();
            // System.out.println(last);
        }

        System.out.println(last.length());
    }
}