====== Serializace ======
===== Pes.java =====

<code java>
package soubory;

import java.io.Serializable;

public class Pes implements Serializable{
    String jmeno;
    String majitel;
    
    public Pes(String jmeno, String majitel){
        this.jmeno = jmeno;
        this.majitel = majitel;
    }

    @Override
    public String toString(){
        return jmeno+"("+majitel+")";
    }
}
</code>

===== Main.java =====

<code java>
package soubory;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main {

    public static void main(String[] args) throws ClassNotFoundException {
        try {
            ObjectOutputStream file = new ObjectOutputStream(new FileOutputStream("psi.pes"));
            Pes alik = new Pes("alik", "novak");
            Pes azor = new Pes("azor", "dvorak");
            file.writeInt(2);
            file.writeObject(alik);
            file.writeObject(azor);
            file.close();
            

            ObjectInputStream vstup = new ObjectInputStream(new FileInputStream("psi.pes"));
            //ukladat pocet neni potreba, ale par veci se tim zjednodusi
            int pocet = vstup.readInt();

            for (int i =0; i<pocet; i++){
                Object o = vstup.readObject();
                if (o instanceof Pes){
                    System.out.println(((Pes)o).jmeno);
                }
                System.out.println(o.getClass().getName());
            }
        } catch (IOException ex) {
            //neco se pokazilo
        }
    }
}
</code>