题解 | #字符串最后一个单词的长度#

import java.util.Scanner;

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