public Boolean isMoreUpper(String string) {
        Integer upper = 0;
        Integer lower = 0;
        for (int i=0; i<string.length();i++) {
            if(Character.isUpperCase(string.charAt(i))){
                upper++;
            } else if(Character.isLowerCase(string.charAt(i))) {
                lower++;
            }
        }
        return upper > lower;
    }