// 字符串分割
    // ababbacadefgdehijhklij
    // https://blog.csdn.net/qq_28203045/article/details/80113668
    public static void stringSplit(String string) {
        if (string == null || string.length() == 0)
            return ;
        
        while (string.length() != 0) {
            String str1 = string.substring(0, 1);
            string = string.substring(1, string.length());
            for (int i = 0; i < str1.length(); i++) {
                int index = string.indexOf(str1.charAt(i));
                str1 = str1.concat(string.substring(0, index+1));
                string = string.substring(index+1, string.length());
            }
            System.out.println(str1.length() + " " + str1);
        }
    }