In The Definitive Guide to C# bestselling author Herb Schildt has updated and expanded his classic programming reference to cover C# 4.0–the latest release of this powerful, feature-rich language. Using carefully crafted explanations, insider tips, and hundreds of examples, C# 4.0: The Complete Reference offers in-depth details on all aspects of C#, including keywords, syntax, and core libraries. New C# 4.0 features, such as named and optional arguments, the dynamic type, expanded covariance and contravariance capabilities, and support for parallel programming with the Task Parallel Library (TPL) and PLINQ are also discussed. Perfect for beginners and professional C# programmers alike, this expert resource is written in the clear, crisp, uncompromising style that has made Herb the choice of millions worldwide. Begin mastering C# 4.0 today with help from this authoritative volume! Herbert Schildt is a leading authority on C#, C++, C, and Java. His programming books have sold millions of copies worldwide and have been translated into all major languages. Herb is the author of numerous bestsellers, including Java: The Complete Reference, C++: The Complete Reference, C: The Complete Reference; and Java: a Beginner’s Guide.