static void Main(string[] args){
var modify = new ModifyWallet();
var wallet = new Wallet(1000);
Execute(wallet, modify, new WalletCommand(wallet, WalletAction.Add, 350));
Execute(wallet, modify, new WalletCommand(wallet, WalletAction.Substract, 70));
Execute(wallet, modify, new WalletCommand(wallet, WalletAction.Substract, 200));
Execute(wallet, modify, new WalletCommand(wallet, WalletAction.Add, 50));
Console.WriteLine(wallet);
modify.UndoActions();
Console.WriteLine(wallet);
}
private static void Execute(Wallet wallet, ModifyWallet modify, ICommand walletCommand){
modify.SetCommand(walletCommand);
modify.Invoke();
}
