static void Main(string[] args) { Console.WriteLine("Hello World!"); var gumballMachine = new GumballMachine(10); gumballMachine.InsertQuarter(); gumballMachine.EjectQuarter(); gumballMachine.TurnCrank(); gumballMachine.InsertQuarter(); gumballMachine.TurnCrank(); gumballMachine.InsertQuarter(); gumballMachine.TurnCrank(); gumballMachine.InsertQuarter(); gumballMachine.TurnCrank(); gumballMachine.InsertQuarter(); gumballMachine.TurnCrank(); gumballMachine.InsertQuarter(); gumballMachine.TurnCrank(); System.Console.WriteLine(gumballMachine.ToString()); gumballMachine.Refill(10); System.Console.WriteLine(gumballMachine.ToString()); }