static void Main_01(string[] args)
{
Console.WriteLine("Hello World!");
MyBaseClass b = new MyBaseClass(); //base
Console.WriteLine(b.sum(3, 2));
MyBaseClass bc = new MyChildClass();//Child
Console.WriteLine(bc.sum(5, 2));
MyChildClass c = new MyChildClass(); //child
Console.WriteLine(c.sum(30, 2));
}
public static void Main()
{
MyBaseClass myBase = new MyBaseClass();
MyDerivedClass myDerived = new MyDerivedClass();
object o = myDerived;
MyBaseClass b = myDerived;
var mybase1 = myBase.GetType();
Console.WriteLine("mybase: Type is {0}", myBase.GetType());
Console.WriteLine("myDerived: Type is {0}", myDerived.GetType());
Console.WriteLine("object o = myDerived: Type is {0}", o.GetType());
Console.WriteLine("MyBaseClass b = myDerived: Type is {0}", b.GetType());
Console.ReadKey();
}
