Why doesn't .Net have a Set data structure?

Question

One of my biggest issues dealing with a move from Java to .Net is the fact that there isn\'t a Set interface in .Net. I know there are libraries I could go and download but

Answer 1

As others have noted, there is a HashSet, which is actually just a set.

The reason it has "hash" in front of it (an implementation detail of the set since it uses hashes to eliminate duplicates) is becase Set is a keyword in VB.NET.