static void main(string[] args)
{
ILeiFengFactory factory = new UndergraduateFactory();
LeiFeng student = factory.CreateLeiFeng();
student.BuyRice();
student.Sweep();
student.Wash();
}
static void main(string[] args)
{
LeiFeng studentA = SimpleFactory.CreateLeiFeng("Undergraduate");
studentA.BuyRice();
LeiFeng studentB = SimpleFactory.CreateLeiFeng("Undergraduate");
studentB.Sweep();
LeiFeng studentC = SimpleFactory.CreateLeiFeng("Undergraduate");
studentC.Wash();
}
public static LeiFeng CreateLeiFeng(string type)
{
LeiFeng result = null;
switch (type)
{
case "Undergraduate":
result = new Undergraduate();
break;
case "Volunteer":
result = new Volunteer();
break;
}
return(result);
}