c# List、List<T>、IList、IList<T>、ICollection、ICollection<T>、IEnumerable、IEnumerable<T>

参考文献：When to use IEnumerable, ICollection, IList and List? | Scenarions for IEnumerable, ICollection, IList and List | C# Interview Question | C# Programmer Guide | ProgrammerGuide.Net | Step by Step Programmer Guide