第一个字母大写

        for (Field field:clazz.getDeclaredFields()) {

            String newField = field.toString().substring(field.toString().lastIndexOf(".")+1);
            char[] cs = newField.toCharArray();
            if (cs[0]>=97 && cs[0]<=122){
                cs[0] -= 32;
            }
            System.out.println(String.valueOf(cs));
        }