using System;

​

public class Program

{

    public static void Main()

    {

        Customer cs1 = new Customer();

        cs1.customerId=1;

        cs1.customerName= "Alfreds Futterkiste";

        cs1.address="Obere Str. 57";

        cs1.city="Berlin";

        cs1.postalCode="12209";

    }

}

​

class Customer

{

    //CustomerID    CustomerName    ContactName Address City    PostalCode  Country

    public int customerId;

    public string customerName;

    public string address;

    public string city;

    public string postalCode;

    public void showData()

    {

        Console.WriteLine(customerId+" | "+customerName+" | "+address+" | "+city+" | "+postalCode);

    }

    public Customer()

    {

    }

}

​

class Category

{

}

​

class Employee

{

}

​

class OrderDetails

{

}

​

class Order

{

}

​

class Product

{

}

​

class Shipper

{

}

​

class Supplier

{

}