### Question:
CheckUtils { public static boolean checkEmail(String email) { if (StringUtils.isEmpty(email)){ return false; } return email.length() > 5 && email.length() <= 40 && regexChecks(email, Constants.REGEX_MAIL_NAME) ; } private  CheckUtils(); static boolean checkUserName(String userName); static boolean checkEmail(String email); static Map<String, Object> checkDesc(String desc); static boolean checkOtherParams(String otherParams); static boolean checkPassword(String password); static boolean checkPhone(String phone); static boolean checkTaskNodeParameters(String parameter, String taskType); static boolean checkUserParams(String userName, String password, String email, String phone);  }### Answer:
@Test public void testCheckEmail() { assertTrue(CheckUtils.checkEmail("test01@gmail.com")); assertFalse(CheckUtils.checkEmail("test01@gmail")); }