Listing 12-8 extracted from chapter Inheritance, polymorphism and abstraction

Listing 12-7<     > Listing 12-9

This listing can be compiled with the command line:
csc.exe /target:exe Example_12_8.cs
Errors: 0 Warnings: 0

interface I {}
class C : I {}
class Program {
   static void Main() {
      I c = new C();
      c.GetHashCode();
      object o = c;
   }
}