### Question:
AddressServiceImpl implements AddressService { @Override public ServiceResult<List<AddressDTO>> findByUserNameAndIsDefault(AddressParameter addressParameter) { List<AddressDO> addressDOList=addressDAO.findByUserNameAndIsDefault(addressParameter.getUserName(),addressParameter.getIsDefault()); List<AddressDTO> addressDTOList= BeanUtil.convertList(addressDOList,AddressDTO.class); return new ServiceResult<List<AddressDTO>>(ResultStatusEnum.SUCCESS, addressDTOList); }  @Override ServiceResult<List<AddressDTO>> findByUserName(AddressParameter addressParameter); @Override ServiceResult<List<AddressDTO>> findByUserNameAndIsDefault(AddressParameter addressParameter); @Override @Transactional(rollbackFor = Exception.class) ServiceResult<AddressDTO> saveAddress(AddressParameter addressParameter);  }### Answer:
@Test public void findTest() { ServiceResult<List<AddressDTO>> result = addressService.findByUserNameAndIsDefault( new AddressParameter().setUserName("Song6").setIsDefault(10)); System.out.println(JSON.toJSONString(result)); }