Помогите пожалуйста разобраться
package com.javarush.task.task20.task2002;
import java.io.*;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
/*
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 user1 = new User();
user1.setFirstName("Den");
user1.setLastName("Novgorodov");
user1.setBirthDate(new Date());
user1.setMale(true);
user1.setCountry(User.Country.RUSSIA);
User user2 = new User();
user2.setFirstName("Juliya");
user2.setLastName("Belik");
user2.setBirthDate(new Date());
user2.setMale(false);
user2.setCountry(User.Country.RUSSIA);
javaRush.users.add(user1);
javaRush.users.add(user2);
javaRush.save(outputStream);
outputStream.flush();
JavaRush loadedObject = new JavaRush();
loadedObject.load(inputStream);
//here check that the javaRush object is equal to the loadedObject object - проверьте тут, что javaRush и loadedObject равны
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");
}
}
public static class JavaRush {
public List<User> users = new ArrayList<>();
public void save(OutputStream outputStream) throws Exception {
PrintStream printStream = new PrintStream(outputStream);
User userNew = users.get(0);
printStream.println(userNew.getFirstName());
printStream.println(userNew.getLastName());
printStream.println(userNew.getBirthDate().getTime());
printStream.println(userNew.isMale());
printStream.println(userNew.getCountry());
User userNew2 = users.get(1);
printStream.println(userNew2.getFirstName());
printStream.println(userNew2.getLastName());
printStream.println(userNew2.getBirthDate().getTime());
printStream.println(userNew2.isMale());
printStream.println(userNew2.getCountry());
//implement this method - реализуйте этот метод
}
public void load(InputStream inputStream) throws Exception {
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
User abUser = new User();
abUser.setFirstName(reader.readLine());
abUser.setLastName(reader.readLine());
abUser.setBirthDate(new Date(Long.parseLong(reader.readLine())));
abUser.setMale(Boolean.parseBoolean(reader.readLine()));
abUser.setCountry(User.Country.valueOf(reader.readLine()));
users.add(abUser);
User abUser2 = new User();
abUser2.setFirstName(reader.readLine());
abUser2.setLastName(reader.readLine());
abUser2.setBirthDate(new Date(Long.parseLong(reader.readLine())));
abUser2.setMale(Boolean.parseBoolean(reader.readLine()));
abUser2.setCountry(User.Country.valueOf(reader.readLine()));
users.add(abUser2);
//implement this method - реализуйте этот метод
}
@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;
}
}
}