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Editorial Team
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Asked: 2026-06-11T09:19:58+00:00

I have problem to find a good namespace design and class order. Imagine we

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I have problem to find a good namespace design and class order.
Imagine we have the following namespace hierarchy:

    MyCompany.Hardware
       - ClassA

    MyCompany.Hardware.DeviceType1
       - ClassB : ClassA

    MyCompany.Hardware.DeviceType2
       - ClassC : ClassA

    MyCompany.Hardware.Reader
       - ReaderClassC : Reader

Questions:

  1. Should I put the base classes always in the parent namespace? Or in the child namespace and the concret implementations in the parent?

  2. Should the ReaderClassC be in a separate or in the same namespace MyCompany.Hardware.DeviceType2? Or should I prefer the parent namespace for ‘fast’ access?

  3. Forget all the namespaces and put all into one (MyCompany.Hardware)?

Hoppefully you understand what I try to get out. It would be great if you can tell me about your namespace design.

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1 Answer

  1. Editorial Team

    As usual it’s a matter of taste.

    I prefer to use your fourth approach since it’s a little cleaner (for me). I mean, if I’m using a Reader then I depend on using that namespace.

    Of course you can give a look to the Namespace Naming Guidelines and particularly:

    A nested namespace should have a dependency on types in the containing
    namespace. For example, the classes in the System.Web.UI.Design depend
    on the classes in System.Web.UI. However, the classes in System.Web.UI
    do not depend on the classes in System.Web.UI.Design.

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