58. Length of Last Word

    /*
     * 58. Length of Last Word 
     * 2016-5-7 by Mingyang 注意split中以“ ”才是空格
     */
    public static int lengthOfLastWord(String s) {
        if (s == null || s.length() == 0)
            return 0;
        s = s.trim();
        String[] cou = s.split(" ");
        int len = cou.length;
        String tempStr = cou[len - 1];
        return tempStr.length();
    }