题解 | #字符串最后一个单词的长度#

import java.io.BufferedReader; import java.io.InputStreamReader;

public class Main { public static void main(String[] args) throws Exception{ String word = ""; BufferedReader buf= new BufferedReader(new InputStreamReader(System.in)); word = buf.readLine(); int index = word.lastIndexOf(" "); String subWord = word.substring(index+1); System.out.println(subWord.length()); } }