#521 – Namespaces Help Organize Types

In C#, a namespace is a collection of related types.  The fully qualified name of every type actually includes the namespace that it’s defined in.

You use the namespace keyword to define a namespace.  All types defined within the pair of braces that follow the namespace name then belong to that namespace.

In the example below, the Dog class belongs to the DogLibrary namespace.

namespace DogLibrary
    public class Dog
        public string Name { get; set; }
        public int Age { get; set; }

        public void Bark()

Because Dog is defined within the DogLibrary namespace, the fully qualifed name of the Dog type is DogLibrary.Dog.


About Sean
Software developer in the Twin Cities area, passionate about software development and sailing.

3 Responses to #521 – Namespaces Help Organize Types

  1. Pingback: #522 – The Fully Qualified Name for a Type Includes the Namespace « 2,000 Things You Should Know About C#

  2. Pingback: #523 – The using Directive Allows Omitting Namespace « 2,000 Things You Should Know About C#

  3. Pingback: #530 – Namespaces vs. Assemblies « 2,000 Things You Should Know About C#

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