public void PrintContestantInfo(Contestant contestant)
{
UserInterface.DisplayContestantInfo(contestant.FirstName, contestant.LastName, contestant.EmailAddress, contestant.RegistrationNumber);
}
// constructor
public Contestant()
{
this.firstName = UserInterface.SetContestantFirstName();
this.lastName = UserInterface.SetContestantLastName();
this.emailAddress = UserInterface.SetContestantEmail();
}