### Question:
DataAccessServiceFactory { public static DataAccessService getDataAccessService(HttpClient httpClient) throws ConnectorSDKException{ String endpoint = ConnectorSDKUtil.getInstance().getEndPoint(ResourceName.DATA_ACCESS); return new DataAccessServiceImpl(endpoint, httpClient); }  static DataAccessService getDataAccessService(HttpClient httpClient);  }### Answer:
@Test public void testCatalogFactory() throws ConnectorSDKException{ DataAccessServiceFactory dasf = new DataAccessServiceFactory(); assertTrue(dasf.getDataAccessService(null) != null); DataAccessService das = DataAccessServiceFactory.getDataAccessService(null); assertTrue(das != null); assertTrue(das instanceof DataAccessServiceImpl); }