In this chapter you’ll:

• Learn how static methods and variables are associated with classes rather than objects.

• Use common Math class functions.

• Learn C#’s argument promotion rules for when argument types do not match parameter types exactly.

• Get a high-level overview of various namespaces from the .NET Framework Class Library.

• Use random-number generation to implement game-playing apps.

• Understand how the visibility of identifiers is limited to specific regions of programs.

• Learn how the method call and return mechanism is supported by the method-call stack.

• Create overloaded methods.

• Use optional and named parameters.

• Use recursive methods.

• Understand what value types and reference types are.

• Pass method arguments by value and by reference.