static void Main(string[] args)
{
//Beverage beverage = new Espresso();
//Console.WriteLine(beverage.getDescription() + " $" + beverage.cost());
Beverage beverage2 = new HouseBlend();
beverage2 = new Mocha(beverage2);
beverage2 = new Mocha(beverage2);
beverage2 = new Whip(beverage2);
// 这里会有问题 Beverage的getDescription是个实体函数.
string strDescription = beverage2.getDescription();
Console.WriteLine(strDescription + " $" + beverage2.cost());
}
static void Main(string[] args)
{
//Beverage beverage = new Espresso();
//Console.WriteLine(beverage.getDescription() + " $" + beverage.cost());
Beverage beverage2 = new HouseBlend();
beverage2 = new Mocha(beverage2);
beverage2 = new Mocha(beverage2);
beverage2 = new Whip(beverage2);
// 这里会有问题 Beverage的getDescription是个实体函数.
string strDescription = beverage2.getDescription();
Console.WriteLine(strDescription + " $" + beverage2.cost());
}