import java.io.*;
import java.util.*;
public class SerializeDemo {

   public static void main(String [] args) {
      Employee e = new Employee();
      e.name = "Vana Doufexi";
      e.address = "Gklavani 37, Volos";
      e.AMKA = 11122333;
      e.salary = 1000.9999;
      
      Employee e1 = new Employee();
      e1.name = "George Thanos";
      e1.address = "28hs Septembriou & Glavani, Volos";
      e1.AMKA = 11122999;
      e1.salary = 458.1234;
      
      e.next = e1;
      e1.next = e;
      
      e.list = new ArrayList<>();
      e.list.add(e);
      e.list.add(e1);
      
      e1.list = new ArrayList<>();
      e1.list.add(e);
      e1.list.add(e1);
      
      try {
         FileOutputStream fileOut =
         new FileOutputStream("./employees.ser");
         ObjectOutputStream out = new ObjectOutputStream(fileOut);
         out.writeObject(e);
         out.writeObject(e1);
         out.close();
         fileOut.close();
         System.out.printf("Serialized data is saved in /tmp/employee.ser");
      }catch(IOException ex) {
         ex.printStackTrace();
      }
   }
}