Сдаюсь

package com.javarush.task.task20.task2002; import java.io.*; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Date; import java.util.List; import java.util.stream.Collectors; /* Читаем и пишем в файл: JavaRush */ public class Solution { public static void main(String[] args) { //you can find your_file_name.tmp in your TMP directory or adjust outputStream/inputStream according to your file's actual location //вы можете найти your_file_name.tmp в папке TMP или исправьте outputStream/inputStream в соответствии с путем к вашему реальному файлу try { File yourFile = File.createTempFile("your_file_name", null); OutputStream outputStream = new FileOutputStream(yourFile); InputStream inputStream = new FileInputStream(yourFile); JavaRush javaRush = new JavaRush(); //initialize users field for the javaRush object here - инициализируйте поле users для объекта javaRush тут User user = createUser(); javaRush.users.add(user); javaRush.users.add(user); javaRush.save(outputStream); outputStream.flush(); JavaRush loadedObject = new JavaRush(); loadedObject.load(inputStream); //here check that the codeGym object is equal to the loadedObject object - проверьте тут, что javaRush и loadedObject равны System.out.println("loadedObject.equals(javaRush) = " + loadedObject.equals(javaRush)); outputStream.close(); inputStream.close(); } catch (IOException e) { //e.printStackTrace(); System.out.println("Oops, something is wrong with my file"); } catch (Exception e) { //e.printStackTrace(); System.out.println("Oops, something is wrong with the save/load method"); } } private static User createUser() throws ParseException { User user = new User(); user.setFirstName("Alpha"); user.setLastName("Bravo"); user.setMale(true); user.setCountry(User.Country.RUSSIA); Date birthDate = new SimpleDateFormat("dd.MM.yyyy").parse("01.02.1999"); user.setBirthDate(birthDate); return user; } public static class JavaRush { public List<User> users = new ArrayList<>(); public void save(OutputStream outputStream) throws Exception { //implement this method - реализуйте этот метод try (PrintWriter writer = new PrintWriter(outputStream)) { users.forEach(writer::println); } } public void load(InputStream inputStream) throws Exception { //implement this method - реализуйте этот метод try (BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream))) { List<String> lines = reader.lines().collect(Collectors.toList()); for (int i = 0; i < lines.size() / User.LINES_PER_USER; i++) { int beginIndex = i * User.LINES_PER_USER; List<String> userInfo = lines.subList(beginIndex, beginIndex + User.LINES_PER_USER); users.add(parseUser(userInfo)); } } } private User parseUser(List<String> userInfo) throws ParseException { User user = new User(); if (Boolean.parseBoolean(userInfo.get(0))) { user.setFirstName(userInfo.get(1)); } if (Boolean.parseBoolean(userInfo.get(2))) { user.setLastName(userInfo.get(3)); } if (Boolean.parseBoolean(userInfo.get(4))) { Date birthDate = new SimpleDateFormat("dd.MM.yyyy").parse(userInfo.get(5)); user.setBirthDate(birthDate); } user.setMale(Boolean.parseBoolean(userInfo.get(6))); if (Boolean.parseBoolean(userInfo.get(7))) { user.setCountry(User.Country.getCountry(userInfo.get(8))); } return user; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; JavaRush javaRush = (JavaRush) o; return users != null ? users.equals(javaRush.users) : javaRush.users == null; } @Override public int hashCode() { return users != null ? users.hashCode() : 0; } } }