Polymorphism

namespace ConsoleApplication2
{
class A
{
public virtual void Amethod( )
{
Console.Write( "A method" );
}
}

class Program : A
{
public override void Amethod( )
{
Console.WriteLine( "B method" );
}
public void Bmethod()
{
Console.WriteLine("C method");
}

static void Main( string[ ] args )
{
A objA = new Program();

//Program objA = new Program( );
objA.Amethod( );

}
}


}