### Question:
PersonData { public static List<PersonDO> getPersons() { JSONParser parser = new JSONParser(); JSONObject jsonObject = null; JSONArray jsonArray = null; List<PersonDO> personsDO = new ArrayList<>(); try { Object obj = parser.parse(new FileReader("/mnt/hgfs/git/gschmutz/various-demos/avro-vs-protobuf/datagenerator/java/datagenerator/src/main/resources/person.json")); jsonArray = (JSONArray) obj; Iterator<JSONObject> personIterator = jsonArray.iterator(); while (personIterator.hasNext()) { JSONObject person = personIterator.next(); PersonDO personDO = new PersonDO(); personDO.setId(((Long)person.get("id")).intValue()); personDO.setFirstName((String)person.get("firstName")); personDO.setLastName((String)person.get("lastName")); personDO.setEmailAddress((String)person.get("emailAddress")); personDO.setPhoneNumber((String)person.get("phoneNumber")); AddressDO addressDO = new AddressDO(1, (String)person.get("streetAndNr"), (String)person.get("zipAndCity")); personDO.addAddress(addressDO); personsDO.add(personDO); } } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (ParseException e) { e.printStackTrace(); } catch (org.json.simple.parser.ParseException e) { e.printStackTrace(); } return personsDO; }  static List<PersonDO> getPersons();  }### Answer:
@Test public void testGetPersons() throws IOException { List<PersonDO> persons = PersonData.getPersons(); }