static void Main(string[] args)
{
Console.WriteLine("Abstract Begin ");
{
AbstractLanguage abstractLanguage = new Java();
abstractLanguage.SystemLanguage();
abstractLanguage.HelloWord();
}
{
AbstractLanguage abstractLanguage = new Net();
abstractLanguage.SystemLanguage();
abstractLanguage.HelloWord();
}
{
AbstractLanguage abstractLanguage = new Python();
abstractLanguage.SystemLanguage();
abstractLanguage.HelloWord();
}
Console.WriteLine("Abstract End ");
Console.WriteLine("");
Console.WriteLine("=======================================================");
Console.WriteLine("");
Console.WriteLine("Interface Begin ");
{
IService service = new Java();
service.Grade();
}
{
IService service = new Net();
service.Grade();
}
{
IService service = new Python();
service.Grade();
}
Console.WriteLine("Interface End ");
Console.WriteLine("");
Console.WriteLine("=======================================================");
Console.WriteLine("");
// 如何在接口 即打印 抽象方法 and 打印实现
Console.WriteLine(" Abstract && Interface Begin ");
{
IService service = new Java();
dynamic dService = service;
dService.Grade();
dService.SystemLanguage();
dService.HelloWord();
}
{
IService service = new Net();
dynamic dService = service;
dService.Grade();
dService.SystemLanguage();
dService.HelloWord();
}
{
IService service = new Python();
dynamic dService = service;
dService.Grade();
dService.SystemLanguage();
dService.HelloWord();
}
Console.WriteLine(" Abstract && Interface End ");
}