.NET Generic

System.Collections.Generic.IEnumerable(T)

• Exposes the enumerator, which supports a simple iteration over a collection of a specified type.
• Assembly: mscorlib, Version=3.5.0.0
• Implements IEnumerable
• Methods:
  • GetEnumerator
• Extension Methods:
• Aggregate, All, Ancestors, Any, AsEnumerable, AsQueryable, Average
• Cast, Concat, Contains, CopyToDataTable, Count, DefaultIfEmpty, DescendantNodes
• Descendants, Distinct, ElementAt, ElementAtOrDefault, Elements, Except, First
• FirstOrDefault, InDocumentOrder, Intersect, Last, LastOrDefault, LongCount, Max
• Min, Nodes, OfType, Remove, Reverse, SequenceEqual, Single, SingleOrDefault
• Skip, SkipWhile, Sum, Take, TakeWhile, ToArray, ToList, Union, Where
• IEnumerable(of T) does not support server-side data paging.

System.Collections.Generic.ICollection(T)

• Defines methods to manipulate generic collections.
• Assembly: mscorlib, Version=3.5.0.0
• Implements IEnumerable(Of T), IEnumerable
• Methods:
  • Add, Clear, Contains, CopyTo, GetEnumerator, Remove
• Extension Methods: same as IEnumerable(T) excluding the following:
• Ancestors, CopyToDataTable, DescendantNodes, Descendants, Elements, InDocumentOrder, Nodes, Remove

System.Collections.Generic.IList(T)

• Represents a collection of objects that can be individually accessed by index.
• Assembly: mscorlib, Version=3.5.0.0
• Implements ICollection(Of T), IEnumerable(Of T), IEnumerable
• Methods:
• Add, Clear, Contains, CopyTo, GetEnumerator, IndexOf, Insert, Remove, RemoveAt
• Extension Methods: same as ICollection(T)

System.Collections.Generic.List(T)

• Represents a strongly typed list of objects that can be accessed by index. Provides methods to search, sort, and manipulate lists.
• Assembly: mscorlib, Version=3.5.0.0
• Implements IList(Of T), ICollection(Of T), IEnumerable(Of T), IList, ICollection, IEnumerable
• Methods:
  • Add, AddRange, AsReadOnly, BinarySearch, Clear, Contains, ConvertAll, CopyTo
  • Equals, Exists, Finalize, Find, FindAll, FindIndex, FindLast, FindLastIndex, ForEach
  • GetEnumerator, GetHashCode, GetRange, GetType, IndexOf, Insert, InsertRange
  • LastIndexOf, MemberwiseClone, Remove, RemoveAll, RemoveAt, RemoveRange
  • Reverse, Sort, ToArray, ToString, TrimExcess, TrueForAll
• Extension Methods: same as ICollection(T)

Reference:

System.Collections.Generic Namespace