Нам не нужно записывать обьект а только поля? и записывать их в текстовом формате?
package com.javarush.task.task20.task2001;
import java.io.*;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/*
Читаем и пишем в файл: Human
*/
public class Solution implements Serializable{
public static void main(String[] args) {
//исправьте outputStream/inputStream в соответствии с путем к вашему реальному файлу
try {
// File your_file_name = File.createTempFile("4.bin", null);
OutputStream outputStream = new FileOutputStream("4.bin");
InputStream inputStream = new FileInputStream("4.bin");
Human ivanov = new Human("Ivanov", new Asset("home", 999_999.99), new Asset("car", 2999.99));
ivanov.save(outputStream);
outputStream.flush();
Human somePerson = new Human();
somePerson.load(inputStream);
System.out.println(somePerson.name);
inputStream.close();
//check here that ivanov equals to somePerson - проверьте тут, что ivanov и somePerson равны
} catch (IOException e) {
e.printStackTrace();
System.out.println("Oops, something wrong with my file");
} catch (Exception e) {
e.printStackTrace();
System.out.println("Oops, something wrong with save/load method");
}
}
public static class Human implements Serializable {
public String name;
public List<Asset> assets = new ArrayList<>();
public Human() {
}
public Human(String name, Asset... assets) {
this.name = name;
if (assets != null) {
this.assets.addAll(Arrays.asList(assets));
}
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Human human = (Human) o;
if (name != null ? !name.equals(human.name) : human.name != null) return false;
return assets != null ? assets.equals(human.assets) : human.assets == null;
}
@Override
public int hashCode() {
int result = name != null ? name.hashCode() : 0;
result = 31 * result + (assets != null ? assets.hashCode() : 0);
return result;
}
public void save(OutputStream outputStream) throws Exception {
ObjectOutputStream stream2 = new ObjectOutputStream(outputStream);
System.out.println(this);
stream2.writeObject(this);
stream2.flush();
}
public void load(InputStream inputStream) throws Exception {
ObjectInputStream stream3 = new ObjectInputStream(inputStream);
Human test=(Human) stream3.readObject();
System.out.println(test.name);
System.out.println(test.assets);
}
}
}