static void Main(string[] args) { CoffeeMachine coffeMachine = new CoffeeMachine(); Console.WriteLine(coffeMachine.TurnOn()); Console.WriteLine(coffeMachine.InsertFilter(new Filter("Coffee", 10))); Console.WriteLine(coffeMachine.FillWithWater(100)); Console.WriteLine(); Can can = new Can(); Console.WriteLine(coffeMachine.Brew(ref can)); Console.WriteLine(can.Brewage.ToString()); Console.WriteLine(coffeMachine.FilterHolder.Filter.ToString()); Console.WriteLine(); Console.WriteLine(coffeMachine.RemoveFilter()); Console.WriteLine(coffeMachine.InsertFilter(new Filter("Tea", 25))); Console.WriteLine(coffeMachine.FillWithWater(200)); Console.WriteLine(); Console.WriteLine(can.Empty()); Console.WriteLine(coffeMachine.Brew(ref can)); Console.WriteLine(can.Brewage.ToString()); Console.WriteLine(coffeMachine.FilterHolder.Filter.ToString()); Console.WriteLine(); Console.WriteLine(coffeMachine.TurnOff()); }