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;    }}