What classes / interfaces should each .NET developer know?

Question

I just saw an interview with Luca Bolognese from the MS team, and he mentioned that Anders Halesberg believes that developers should focus more on BCL (base class library, framework) instead of lanugage functions (C #, VB.NET).

What class or interface in the current .net 3.5 framework should every developer know?

Answer 1

IDisposable and most System.Collections.Generic spring for the mind ...

Answer 2

System.IO.Path. In fact.

Answer 3

3.5 , , , : System.IO.Path (OregonGhost beat ...) System.IO.File. - Path.Combine.

EventHandler<T> .

Answer 4

, . , ( ) .

Answer 5

, 3.5, IQueryable.

Answer 6

.NET 3.5, LINQ (IMHO) .

Answer 7

System.String?

Answer 8

System.Reflection System.Diagnostics - , , , .

Answer 9

System.Object ... all your classes inherited from it.

Answer 10

System.Int32