Namespaces can be nested : Namespace « Language Basics « C# / CSharp Tutorial

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C# / CSharp Tutorial » Language Basics » Namespace

1.5.12.Namespaces can be nested

using System; 

 

namespace NS1 { 

  class ClassA { 

     public ClassA() { 

       Console.WriteLine("constructing ClassA"); 

    } 

  } 

  namespace NS2 { // a nested namespace 

    class ClassB { 

       public ClassB() { 

         Console.WriteLine("constructing ClassB"); 

      } 

    } 

  } 

} 

 

class MainClass { 

  public static void Main() { 

    NS1.ClassA a = new NS1.ClassA(); 

 

    NS1.NS2.ClassB b = new NS1.NS2.ClassB();

  } 

}

constructing ClassA
constructing ClassB

1.5.Namespace
	1.5.1.	Namespace Introduction
	1.5.2.	Full qualify name
	1.5.3.	Simplest namespace with class definition
	1.5.4.	Declare a namespace
	1.5.5.	Demonstrate a namespace.
	1.5.6.	Use fully qualified class name
	1.5.7.	Two levels of Namespaces
	1.5.8.	Namespace with dot
	1.5.9.	Rename the namespaces
	1.5.10.	Namespaces prevent name conflicts
	1.5.11.	Namespaces are additive.
	1.5.12.	Namespaces can be nested
	1.5.13.	Demonstrate the :: qualifier.
	1.5.14.	The use of two namespaces
	1.5.15.	The use of namespace hierarchies
	1.5.16.	Creates a namespace with a single class
	1.5.17.	Same class name under different Namespaces

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