### Question:
CheckUtils { public static boolean checkOtherParams(String otherParams) { return StringUtils.isNotEmpty(otherParams) && !JSONUtils.checkJsonValid(otherParams); } 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 testCheckOtherParams() { assertFalse(CheckUtils.checkOtherParams(null)); assertFalse(CheckUtils.checkOtherParams("")); assertTrue(CheckUtils.checkOtherParams("xxx")); assertFalse(CheckUtils.checkOtherParams("{}")); assertFalse(CheckUtils.checkOtherParams("{\"key1\":111}")); }