static void Main(string[] args) { IPerson owner = Factory.CreatePerson(); owner.FirstName = "Bob"; owner.LastName = "Martin"; owner.EmailAddress = "*****@*****.**"; owner.PhoneNumber = "1111-222"; IProject project = Factory.CreateProject(); project.ProjectName = "android app"; project.Owner = owner; project.WorkOnproject(3); project.WorkOnproject(1.5); project.CompleteProject(); Console.ReadLine(); }