using System;

​

public class Order

{

    public string sellerName;

    public int orderNum;

    public string productName;

    public void PrintOrderDetail()

    {

        // Console.WriteLine($"Seller: {sellerName}, Order #: {orderNum}, Product: {productName}");

        Console.WriteLine("Seller: " + sellerName + ", Order #: " + orderNum + ", Product: " + productName);

    }

​

    public static void PrintOrderDetails(string sellerName, int orderNum, string productName)

    {

        Console.WriteLine("Seller: " + sellerName + ", Order #: " + orderNum + ", Product: " + productName);

    }

}

​

​

// TODO: https://docs.microsoft.com/en-us/dotnet/csharp/programming-guide/classes-and-structs/named-and-optional-arguments

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello");

        Order o = new Order{productName = "Red Mug", sellerName = "Gift Shop", orderNum = 31};

        o.PrintOrderDetail();

        // Named arguments can be supplied for the parameters in any order.

        Order.PrintOrderDetails(orderNum: 31, productName: "Red Mug", sellerName: "Gift Shop");

        Order.PrintOrderDetails(productName: "Red Mug", sellerName: "Gift Shop", orderNum: 31);

    }

}