Essential C# 7.0, Sixth Edition

15. Collection Interfaces with Standard Query Operators

The most significant features added in C# 3.0 were in collections attributable to a programming API called Language Integrated Query (LINQ). Through a set of extension methods and lambda expressions, LINQ provides a far superior API for working with collections. In fact, in earlier editions of this book, the chapter on collections came immediately after the chapter on generics and just before the one on delegates. However, lambda expressions were so fundamental to LINQ that it is no longer possible to cover collections without first covering delegates (the basis of lambda expressions). Now that you have a solid foundation in lambda expressions from the preceding two chapters, we can delve ...