LeetCode 58. Length of Last Word Java

Given a string s consists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.

If the last word does not exist, return 0.

Note: A word is defined as a character sequence consists of non-space characters only.

For example,  Given s ="Hello World", return 5.

public class Solution { public int lengthOfLastWord(String s) { String[] strArr = s.split(" "); if (strArr == null || strArr.length == 0) { return 0; } return strArr[strArr.length - 1].length(); } }

注意[“        ”]的测试用例