static void Main(string[] args) { YourClass NameInSuperSpace = new YourClass(); // need using Super; Great NameInSmashingSpace = new Great(); // need using Super.Smashing; Fabulous.MyClass NameInFabulous = new Fabulous.MyClass(); Console.WriteLine(NameInSuperSpace); Console.WriteLine(NameInSmashingSpace); Console.WriteLine(NameInFabulous); Console.WriteLine(NameInFabulous.NameInSmashingSpace); Console.WriteLine(NameInFabulous.S); Small.DoSomething(); // can used by using static Super.Smashing.Small; Console.ReadKey(); }