Developers should have a basic proficiency of a language's data types. In this article, Irina Medvinskaya presents an overview of two types of predefined C# variables: value types and reference types.

Take advantage of anonymous types in C# to create and instantiate types that have read-only properties without having to declare the type beforehand ...

Take advantage of record types in C# 9 to build immutable types and thread-safe objects.