unit BusinessObjectsU; interface type TPerson = class private FLastName: String; FDOB: TDate; FFirstName: String; FMarried: boolean; procedure SetDOB(const Value: TDate); procedure SetFirstName(const Value: String); procedure SetLastName(const Value: String); procedure SetMarried(const Value: boolean); public property FirstName: String read FFirstName write SetFirstName; property LastName: String read FLastName write SetLastName; property DOB: TDate read FDOB write SetDOB; property Married: boolean read FMarried write SetMarried; end; implementation { TPerson } procedure TPerson.SetDOB(const Value: TDate); begin FDOB := Value; end; procedure TPerson.SetFirstName(const Value: String); begin FFirstName := Value; end; procedure TPerson.SetLastName(const Value: String); begin FLastName := Value; end; procedure TPerson.SetMarried(const Value: boolean); begin FMarried := Value; end; end.