38. Simple Interface in C#.

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 using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;


namespace simple_interface.cs

{

    interface product

    {

       int pid {get; set;}

       string pname {get; set;}

       double price {get; set;}

       double pqty(double qty);

    }

    class siminterface : product

    {

        int no;

        double cost;

        string nm;

        public int pid

        {

            get { return no; }

            set { no = value; }

        }

        public string pname

        {

            get { return nm; }

            set { nm = value; }

        }

        public double price

        {

            get { return cost; }

            set { cost = value; }

        }

        public double pqty(double qty)

        {

            Console.WriteLine("Product Quantity : " + qty);

            return price * qty;

        }

    }

    class Program

    {

        static void Main(string[] args)

        {

            siminterface obj = new siminterface();

            obj.pid = 1;

            obj.pname ="Mobile";

            obj.price = 2000;

         


            Console.WriteLine("Product ID : " + obj.pid);

            Console.WriteLine("Product Name : " + obj.pname);

            Console.WriteLine("Product Price : " + obj.price);

            Console.WriteLine("Total Cost : " + obj.pqty(2));


            Console.Read();

        }

    }

}

OUTPUT:

Product ID : 1

Product Name : Mobile

Product Price : 2000

Product Quantity : 2

Total Cost : 4000




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