static void Main(string[] args)
{
IFactory factory = new UndergraduateFactory();
Nightingale personA = factory.CreateNightingale();
Nightingale personB = factory.CreateNightingale();
Nightingale personC = factory.CreateNightingale();
personA.Sweep();
personB.Wash();
personC.BuyRice();
Console.ReadLine();
}
public static Nightingale CreateNightingale(string type)
{
Nightingale result = null;
switch (type)
{
case "大學生":
result = new Undergraduate();
break;
case "社區義工":
result = new Volunteer();
break;
}
return(result);
}