continue object serialization....

public class PersonPersist {

public static void main(String[] args) {
String filename = "person.txt";
PersonDetails person1 = new PersonDetails("hemanth", 10, "Male");
PersonDetails person2 = new PersonDetails("bob", 12, "Male");
PersonDetails person3 = new PersonDetails("Richa", 10, "Female");
List list = new ArrayList();
list.add(person1);
list.add(person2);
list.add(person3);
FileOutputStream fos = null;
ObjectOutputStream out = null;
try {
fos = new FileOutputStream(filename);
out = new ObjectOutputStream(fos);
out.writeObject(list);
out.close();
System.out.println("Object Persisted");
} catch (IOException ex) {
ex.printStackTrace();
}
}
}