public static void Test()
{
Console.WriteLine("*******************************************");
Console.WriteLine("*******************************************");
Console.WriteLine("*******************************************");
ParentClass instance = new ChildClass();
Console.WriteLine("下面是instance.CommonMethod()");
instance.CommonMethod();
Console.WriteLine("下面是instance.VirtualMethod()");
instance.VirtualMethod();
Console.WriteLine("下面是instance.AbstractMethod()");
instance.AbstractMethod();
Console.WriteLine("*******************************************");
Console.WriteLine("*******************************************");
Console.WriteLine("*******************************************");
}