inheritance/virt-simplified.cs - An illustration of virtual and new methods in class A and B - Simplified.

Lecture 7 - slide 35 : 40 Program 2

using System;

class A {
  public virtual void  N(){Console.WriteLine("N in A");}
  public void          P(){Console.WriteLine("P in A");}
}

class B: A{
  public override void N(){Console.WriteLine("N in B");}
  public new void      P(){Console.WriteLine("P in B");}
}

class Client {
  public static void Main(){
    A aa = new A(),
      ab = new B();
    B b = new B(); 

    aa.N();   ab.N();   b.N();   // The dynamic type controls
    Console.WriteLine();
    aa.P();   ab.P();   b.P();   // The static type controls
  }
}