Вроде как исключение ClassNotFoundException, но что делать не знаю .
package com.javarush.task.task20.task2002;
import java.io.*;
import java.util.ArrayList;
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("c:/arc/444.txt", 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 = new User();
user.setFirstName("Jonh");
user.setLastName("Smith");
user.setCountry(User.Country.OTHER);
user.setMale(true);
Date date = new Date(1978,12,11);
user.setBirthDate(date);
// Добавляем пользователей в список
javaRush.users.add(user);
//javaRush.users.add(user1);
// JavaRush users;
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
// javaRush.equals(loadedObject);
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 {
//implement this method - реализуйте этот метод
PrintWriter writer = new PrintWriter(outputStream);
// String isPresent = users != null ? "уes" : "now";
// writer.print(isPresent);
// writer.flush();
if (users.size() != 0){
for (User str : users){
writer.println(str.getFirstName());
writer.println(str.getLastName());
writer.println(str.getBirthDate().getTime());
writer.println(str.isMale());
writer.println(str.getCountry());
}
}
writer.close();
}
public void load(InputStream inputStream) throws Exception {
//implement this method - реализуйте этот метод
BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
String isPresent = reader.readLine();
if (users.size() == 0) {
String line;
while ((line = reader.readLine()) != null) {
String firstName = line;
String secondName = reader.readLine();
String date = reader.readLine();
long gDate = Long.parseLong(date);
Date birthDate = new Date(gDate);
String sex = reader.readLine();
boolean gend = true;
switch (sex) {
case "true":
gend = true;
break;
case "false":
gend = false;
break;
}
String country = reader.readLine();
User.Country valueCountry = null;
switch (country) {
case "UKRAINE":
valueCountry = User.Country.UKRAINE;
break;
case "RUSSIA":
valueCountry = User.Country.RUSSIA;
break;
case "OTHER":
valueCountry = User.Country.OTHER;
break;
}
User userNew = new User();
userNew.setFirstName(firstName);
userNew.setLastName(secondName);
userNew.setBirthDate(birthDate);
userNew.setMale(gend);
userNew.setCountry(valueCountry);
users.add(userNew);
}
}
reader.close();
}
@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;
}
}
}