题解 | #字符串最后一个单词的长度#

1.分割成两个字符数组

2.取出数组中最后一个元素

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        String[] s = str.split(" ");
        String last = s[s.length - 1];
        int length = last.length();
        System.out.println(length);
    }
}