- Type System i .NET
- Nullable<T>
- Type inference
- Anonymous Types
- Well-formed Classes
- Operator Overload
- Interfaces
- Delegates og Events (Delegate, Func<T>, Action og Predicate)
- Extension Methods
- LINQ
- IEnumerable<T> / IQueryable<T>
- Lambda Expressions
- Garbage Collection
- Destructors
- IDisposable
- Generics