C# Online Compiler | .NET Fiddle

<no name> by Anonymous

using System;
					
public class Program
{
		
    interface IDummyParent
    {
        void Open();
    }
	
    interface IDummyHides : IDummyParent
    {
        void Open();
    }
	
    interface IDummy1
    {
        void Open();
    }

    interface IDummy2
    {
        void Open();
    }

    class Dummy : IDummy1, IDummy2, IDummyHides
    {

        void IDummyHides.Open()
        {
            Console.WriteLine("Hides");
        }
		
        void IDummyParent.Open()
        {
            Console.WriteLine("Parent");
        }
        void IDummy1.Open()
        {
            Console.WriteLine("1");
        }

        public void Open()
        {
            Console.WriteLine("2");
        }
    }
	
	public static void Main()
	{
		new Dummy().Open();
		((IDummy1) new Dummy()).Open();
		((IDummy2) new Dummy()).Open();
		((IDummyHides) new Dummy()).Open();
		((IDummyParent) new Dummy()).Open();
		Console.WriteLine("Hello World");
	}
}

​x
 
using System;
                    
public class Program
{
        
    interface IDummyParent
    {
        void Open();
    }
    
    interface IDummyHides : IDummyParent
    {
        void Open();
    }
    
    interface IDummy1
    {
        void Open();
    }
​
    interface IDummy2
    {
        void Open();
    }
​
    class Dummy : IDummy1, IDummy2, IDummyHides
    {
​
        void IDummyHides.Open()
        {
            Console.WriteLine("Hides");
        }
        
        void IDummyParent.Open()
        {
            Console.WriteLine("Parent");
        }
        void IDummy1.Open()
        {
            Console.WriteLine("1");
        }
​
        public void Open()
        {
            Console.WriteLine("2");
        }
    }
    
    public static void Main()
    {
        new Dummy().Open();
        ((IDummy1) new Dummy()).Open();
        ((IDummy2) new Dummy()).Open();
        ((IDummyHides) new Dummy()).Open();
        ((IDummyParent) new Dummy()).Open();
        Console.WriteLine("Hello World");
    }
}

Invoices:
Invoice { Country = Germany, BillingMethod = Paper, InvoiceCount = 4, CustomerCount = 5, Amount = 1234 }
Invoice { Country = Germany, BillingMethod = Electronic, InvoiceCount = 52, CustomerCount = 34, Amount = 4567 }
Invoice { Country = Greece, BillingMethod = Paper, InvoiceCount = 8, CustomerCount = 75, Amount = 78955 }
Invoice { Country = Denmark, BillingMethod = Paper, InvoiceCount = 32, CustomerCount = 15, Amount = 7890 }
Invoice { Country = Norway, BillingMethod = Electronic, InvoiceCount = 4, CustomerCount = 52, Amount = 65898 }
Flattened Invoices:
CountryInvoice { Country = Germany, PaperInvoiceCount = 4, PaperCustomerCount = 5, PaperAmount = 1234, ElectronicInvoiceCount = 52, ElectronicCustomerCount = 34, ElectronicAmount = 4567 }
CountryInvoice { Country = Greece, PaperInvoiceCount = 8, PaperCustomerCount = 75, PaperAmount = 78955, ElectronicInvoiceCount = 0, ElectronicCustomerCount = 0, ElectronicAmount = 0 }
CountryInvoice { Country = Denmark, PaperInvoiceCount = 32, PaperCustomerCount = 15, PaperAmount = 7890, ElectronicInvoiceCount = 0, ElectronicCustomerCount = 0, ElectronicAmount = 0 }
CountryInvoice { Country = Norway, PaperInvoiceCount = 0, PaperCustomerCount = 0, PaperAmount = 0, ElectronicInvoiceCount = 4, ElectronicCustomerCount = 52, ElectronicAmount = 65898 }

Cached Result
Last Run:	11:35:01 am
Compile:	0.011s
Execute:	0.06s
Memory:	4.12Mb
CPU:	0.071s

View IL Code