Overriding Virtual methods

 private void Test()
{

a obja = new c();obja.ao();
}

class a{public virtual void ao() { Console.WriteLine("a"); }}

class b:a{public virtual void ao() { Console.WriteLine("b"); }}

class c:b{public override void ao() { Console.WriteLine("c"); }}
//Output : a


private void Test()
{

a obja = new c();obja.ao();
}

class a{public virtual void ao() { Console.WriteLine("a"); }}

class b:a{public override void ao() { Console.WriteLine("b"); }}

class c:b{public override void ao() { Console.WriteLine("c"); }}
//Output : b


private void Test()
{

a obja = new c();obja.ao();
}

class a{public virtual void ao() { Console.WriteLine("a"); }}

class b:a{//public virtual void ao() { Console.WriteLine("b"); }}

class c:b{public override void ao() { Console.WriteLine("c"); }}
//Output : c

private void Test()
{

a obja = new c();obja.ao();
}

class a{public virtual void ao() { Console.WriteLine("a"); }}

class b:a{public new void ao() { Console.WriteLine("b"); }}

class c:b{public void ao() { Console.WriteLine("c"); }}
//Output : a