private static void CSharpFeature1()
{
//隐式接口实现
IMarketProvider marketProvider = new HKMarketProvider();
HKMarketProvider hkMarketProvider = new HKMarketProvider();
marketProvider.Order();
hkMarketProvider.Order();
//因为显式接口约束,SZMarketProvider无法直接方法接口方法,只能通过接口访问
//SZMarketProvider szMarketProvider=new SZMarketProvider();
//szMarketProvider.Order();
IMarketProvider IszMarketProvider = new SZMarketProvider();
IszMarketProvider.Order();
}
private static void CSharpFeature2()
{
//匿名方法
Task.Run(() => { Console.WriteLine("Lambda的方式调用匿名方法"); });
Task.Run(delegate(){ Console.WriteLine("委托的方式调用匿名方法"); });
//泛型方法
HKMarketProvider hkMarketProvider = new HKMarketProvider();
SZMarketProvider szMarketProvider = new SZMarketProvider();
VIPInvestmenter vipInvestmenter = new VIPInvestmenter();
GeneralInvestmenter generalInvestmenter = new GeneralInvestmenter();
hkMarketProvider.CostCalculation <VIPInvestmenter>(vipInvestmenter);
szMarketProvider.CostCalculation <VIPInvestmenter>(vipInvestmenter);
hkMarketProvider.CostCalculation <GeneralInvestmenter>(generalInvestmenter);
szMarketProvider.CostCalculation <GeneralInvestmenter>(generalInvestmenter);
//协变
List <VIPInvestmenter> vipInvestmenterList = new List <VIPInvestmenter>();
vipInvestmenterList.Add(new VIPInvestmenter());
IEnumerable <Investmenter> investmenters = vipInvestmenterList;
foreach (Investmenter investmenter in investmenters)
{
investmenter.GetName();
}
//逆变省略........
//迭代器
HKTradeDay hKTradeDay = new HKTradeDay();
foreach (string day in hKTradeDay)
{
Console.WriteLine("hk market trade day is " + day);
}
}
