DyanamicPolymorphism.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SkillMineProject7.InheritenceAndPolymorphism
{
   
        class Payment
        {
            public float Pay(int qty, float price)
            {
                return qty * price;
            }
        }
        class NetBanking : Payment
        {
            public float Pay(int qty, float price)
            {
                Console.WriteLine("Do transaction using net banking");
                return qty * price;

            }

        }

        class DebitCard : Payment
        {
            public float Pay(int qty, float price, float tax)
            {
                Console.WriteLine("Do transaction using debit card");
                return qty * price * tax;
            }
        }
        class CreditCard : Payment
        {

            public float Pay(int qty, float price)
            {
                Console.WriteLine("Do transaction using credit card");
                return qty * price;
            }
        }

        public class DynamicPolymorphism
        {

            static void Main(string[] args)
            {
                Payment p = new Payment();
                double price = p.Pay(2, 20000f);
                Console.WriteLine("Payment of Rs: " + price);
            }
        }
    }