求大神看看为什么这段代码通不过华为OJ系统的测试
import java.util.Scanner;
public class Main{
public static void main(String[] args){
Scanner scanner=new Scanner(System.in);
System.out.print("输入:");
String str=scanner.nextLine();
while(str.length()>128)
{
System.out.print("输入:");
str=scanner.nextLine();
}
if(str.trim().isEmpty())
System.out.print("输出:"+0);
else {String[] strarr=str.split(" ");
int len=strarr.length;
System.out.print("输出:"+strarr[len-1].length());
}
}
}