// Project: Serialization Example
// Module: serialization3
// Source code file Test.java
// Create a programmer defined collection class,
// which is able to serialize its own objects.
// Project: Serialization
// Module: serialization3
// Source code file Test.java
// Create a programmer defined collection class,
// which is able to serialize its own objects.

import java.io.IOException;
public class Test {

    public static void main(String[] args)
            throws IOException, ClassNotFoundException {

        EmployeeRoster roster = new EmployeeRoster( );

        roster.add(new Person("Alice", 'F', 23));
        roster.add(new Employee(
                "Thomas", 'M', 34, 1234, 65000));
        roster.add(new Executive(
                "Gloria", 'F', 48, 3456, 134000, 90000));

        // Print Person objects in original collection.
        System.out.println("Original roster items:");
        for(Person p : roster) {
            System.out.println(p);
        }
        System.out.println("Roster size: " +
                roster.size( ) + "\n");

        // Save elements in roster.
        roster.save( );

        // Clear roster and verify size.
        roster.clear( );
        System.out.println("Roster after clearing:");
        System.out.println("Roster size: " +
                roster.size( ) + "\n");

        // Load elements from disk.
        roster.load( );

        // Print items and verify size of
        // deserialized roster.
        System.out.println("Deserialized roster items:");
        for(Person p : roster) {
            System.out.println(p);
        }
        System.out.println("Roster size: " +
                roster.size( ));
    }
}