LeetCode 57 Length of Last Word

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 [] temp=s.split(" ");
        if(temp.length==0) return 0; 
        if(temp[temp.length-1].isEmpty()) return 0;
        return temp[temp.length-1].length();
    }
}