Подскажите
package com.javarush.task.task20.task2002;
import java.io.*;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Scanner;
/*
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 fix outputStream/inputStream according to your real file 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 your_file_name = File.createTempFile("text", null);
OutputStream outputStream = new FileOutputStream(your_file_name);
InputStream inputStream = new FileInputStream(your_file_name);
JavaRush javaRush = new JavaRush();
javaRush.save(outputStream);
outputStream.flush();
JavaRush loadedObject = new JavaRush();
loadedObject.load(inputStream);
System.out.println(loadedObject);
outputStream.close();
inputStream.close();
} catch (IOException e) {
System.out.println("Oops, something wrong with my file");
} catch (Exception e) {
System.out.println("Oops, something wrong with save/load method");
}
}
public static class JavaRush {
public List<User> users = new ArrayList<>();
public void save(OutputStream outputStream) throws Exception {
PrintWriter printWriter = new PrintWriter(outputStream);
for (User user: users) {
printWriter.write(user.getFirstName());
printWriter.write(user.getLastName());
printWriter.write(String.valueOf(user.getBirthDate()));
printWriter.write(String.valueOf(user.isMale()));
printWriter.write(String.valueOf(user.getCountry()));
}
}
public void load(InputStream inputStream) throws Exception {
Scanner scanner = new Scanner(inputStream);
while(scanner.hasNextLine()){
User u = new User();
u.setFirstName(scanner.nextLine());
u.setLastName(scanner.nextLine());
u.setBirthDate(new Date(Long.parseLong(scanner.nextLine())));
u.setMale(Boolean.parseBoolean(scanner.nextLine()));
u.setCountry(User.Country.valueOf(scanner.nextLine()));
this.users.add(u);
}
}
@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;
}
@Override
public String toString() {
return "JavaRush{" +
"users=" + users +
'}';
}
}
}