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Editorial Team
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Asked: 2026-05-23T00:34:30+00:00

I’m building a relatively simple class (ex: Person) for an ASP.NET application that has

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I’m building a relatively simple class (ex: Person) for an ASP.NET application that has several related boolean properties (ex: Certifications). I have the option of storing them as multiple properties:

Class Person
    Property HasCertL1
    Property HasCertL2
    Property HasCertL3
End Class

Or using a collection and enum:

Enum Cert
    L1
    L2
    L3
End Enum

Class Person
    Property Certs as List(Of Cert)
End Class

The class will not be used elsewhere, and the items (Certs) will be not be updated without recompiling the class anyway. I’m looking for reasons to choose one over the other. Can anyone offer any best practices or point me to some resources that cover this that I may have missed? Thanks in advance!

Cheers,
JE

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1 Answer

  1. Editorial Team

    My vote is to use a collection. Here’s why: when you set the class up with a property for each level of certification, if you were to add a level of certification, you’d have to add extra code to check that people had that extra level. That requires, possibly, a change to every other class that uses Person.

    If you use a list, the Person class doesn’t change; there’s just a change in the available values for the list. That requires far fewer code changes to check for a particular level of certification.

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