public class CollaborateSessionDriver {
    public static void main(String[] args) {
        CollaborateSession example1 = new CollaborateSession();
        example1.print(); // Output: No one is leading the missing students!

        CollaborateSession example2 = new CollaborateSession(8, "Peter");
        example2.print(); // Output: Peter is leading the 8 students!

        example1.setNumberOfParticipants(5);
        example1.print(); // Output: No one is leading the 5 students!

        example2.setNameOfPresenter("Bob");
        System.out.println("The session is now being presented by " + example2.getNameOfPresenter()
                            + " to " + example2.getNumberOfParticipants() + " students.");

        // Output: The session is now being presented by Bob to 8 students.
    }
}