[LeetCode] Length of Last Word

public class Solution {
    public int lengthOfLastWord(String s) {
        int lastLength = 0;
        int nowLength = 0;
        
        for (int i=0; i<s.length(); i++) {
            if(s.charAt(i)==‘ ‘) {
                if (nowLength!=0) lastLength=nowLength;
                nowLength=0;
            }
            else 
                nowLength++;
        }
        
        if (nowLength!=0) lastLength = nowLength;
        
        return lastLength;
    }
}