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Asked: 2026-05-13T14:10:32+00:00

I’m working on improving my skills in other languages, coming from using c++ as

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I’m working on improving my skills in other languages, coming from using c++ as my primary programming language. My current project is hammering down C#.net, as I have heard it is a good in-between language for one who knows both c++ and VB.net.

Typically when working with an unknown number of elements in c++ I would declare my variable as a vector and just go from there. Vectors don’t seem to exist in c#, and in my current program I have been using arraylists instead, but I’m starting to wonder if it’s a good habit to use arraylists as I read somewhere that it was a carryover from .net 1.0

Long question short- what is the most commonly used listing type for c#?

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  1. Editorial Team

    If you target pre .NET 2.0 versions, use ArrayList

    If you target .NET 2.0+ then use generic type List<T>

    You may need to find replacements for other C++ standard containers, so here is possible mapping of C++ to .NET 2.0+ similar types or equivalents:

    std::vector - List<T>
std::list - LinkedList<T>
std::map - Dictionary<K, V>
std::set - HashSet<T>
std::multimap - Dictionary<K, List<V>>
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