public void AddContestants() { Sweepstakes sweepstakes = CreateSweepstakes(); int howManyContestant = UserInterface.AskHowManyContestants(); for (int j = 0; j < howManyContestant; j++) { Contestant newContestant = CreateContestant(); newContestant.registrationNumber = sweepstakes.givenID; sweepstakes.givenID++; sweepstakes.RegisterContestant(newContestant); } sweepstakesManager.InsertSweepstakes(sweepstakes); }