import java.io.FileOutputStream;
import java.io.ObjectOutputStream;

public class CerealOut
{
  public static void main(String[] args) 
    throws Exception
  {
    FileOutputStream fos = new FileOutputStream("people");
    ObjectOutputStream oos = new ObjectOutputStream(fos);
    oos.writeObject(new Person(21, "Erik", "Wright"));
    oos.writeObject(new Person(20, "Joseph", "Hashmall"));
    oos.writeObject(new Person(39, "Samuel", "Rebelsky"));
    oos.close();
  }
}