public override void Call(PhoneNumber phoneNumber) { Console.WriteLine("Calling phone number {0} from area {1} using Google Hangout.", phoneNumber.Number, phoneNumber.NationCode); }
public abstract void Call(PhoneNumber phoneNumber);
public override void Call(PhoneNumber phoneNumber) { Console.WriteLine("Calling phone number {0} from area {1} using Google Hangout.", phoneNumber.Number, phoneNumber.NationCode); }
public abstract void Call(PhoneNumber phoneNumber);