1.计算字符串最后一个单词的长度，单词以空格隔开。

题目：计算字符串最后一个单词的长度，单词以空格隔开。

import java.util.*;
public class Main{
public static void main(String[] args){
//String str = "hello world";
Scanner scan = new Scanner(System.in);
int length = 0;
while(scan.hasNext()){
String str = scan.nextLine();
length = getLength(str);
}

System.out.println(length);
}
public static int getLength(String str){
String[] strArray = str.split(" ");
int position = strArray.length-1;
int length = strArray[position].length();
return length;
}
}