1. 题目描述
计算字符串最后一个单词的长度，单词以空格隔开。
https://www.nowcoder.com/practice/8c949ea5f36f422594b306a2300315da?tpId=37&tqId=21224&tPage=1&rp=&ru=/ta/huawei&qru=/ta/huawei/question-ranking
2. 示例代码
import java.util.Scanner;
public class Main
{
public static void main(String[] args)
{
Scanner scanner = new Scanner(System.in);
while(scanner.hasNext())
{
String line = scanner.nextLine();
int index = line.lastIndexOf(' ');
String word = line.substring(index+1);
System.out.println(word.length());
}
}
}