WRITE A PROGRAM to show polymorphism using
virtual and override keyword .
using System;
using System.Collections.Generic;
using System.Text;
namespace ConsoleApplication17
{
class A
{
public virtual void Show()
{
Console.WriteLine("Show A");
}
public virtual void Fun()
{
Console.WriteLine("Fun A");
}
}
class B
: A
{
public override void Show()
{
Console.WriteLine("Show B");
}
public void Call()
{
Console.WriteLine("Call B");
}
}
class
Demo
{
static void Main(string[] args)
{
A a = new A();
Console.WriteLine("***X***");
a.Show();
a.Fun();
//a.Call(); // call() not accessible by A's abject
B b = new B();
Console.WriteLine("***Y***");
b.Show();
b.Fun();
b.Call();
a = b;
Console.WriteLine("***when(a=b)***");
a.Show();
a.Fun();
// a.Call(); // we cant call call() bcozz it is not defined by A class
Console.ReadLine();
}
}
}