Java ObjectOutputStream .writeObject (Object obj)

public final void writeObject(Object obj)   throws IOException

//from   www.  j  a  v a 2 s. c om
import java.io.FileOutputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

public class Main {
  public static void main(String[] args) {
    Card card = new Card();
    try {
      FileOutputStream out = new FileOutputStream("card.out");
      ObjectOutputStream oos = new ObjectOutputStream(out);
      oos.writeObject(card);
      oos.flush();
      oos.close();
    } catch (Exception e) {
      System.out.println("Problem serializing: " + e);
    }
  }
}

class Card implements Serializable {

}