How many built-in classes does C# have?

[AleksanderK]

How many built-in classes does C# have?

[vorticalbox]

https://msdn.microsoft.com/en-us/library/gg145045(v=vs.110).aspx

 

this many.

[Sebivor]

A little known fact about C#; it doesn't require the .NET framework! Don't confuse the two...

 

Quote

(CLI is based on a subset of the .NET Framework.) Although Microsoft’s implementation of C# relies on CLI for library and runtime support, other implementations of C# need not, provided they support an alternate way of getting at the minimum CLI features required by this C# standard (see Annex D).

-- <https://www.ecma-international.org/publications/files/ECMA-ST/Ecma-334.pdf>

I haven't bothered to count the classes in Annex D (there are also structs and enums, FWIW) so I can't say how many there are, but it wouldn't take more than a few minutes to count them.

Note that these are the only classes required for a conforming C# implementation. There may be (and often are) extensions... Those extensions aren't a part of C#.

[Yamoto42]

I reckon 'bout a few.