public static HotChocolate getInstance()
{
if (instance == null)
{
instance = new HotChocolate();
}
return(instance);
}
public IDrink DrinkMachine(string drink)
{
switch (drink)
{
case "Tea": return(new Tea());
case "Coffee": return(new Coffee());
case "Hot chocolate": return(HotChocolate.getInstance());
default: return(new DefaultDrink());
}
}