170 cards
This deck focuses on some of the most important intermediate and advanced features of C# programming. The questions cover four major areas: LINQ for querying and transforming collections, async/await for writing responsive asynchronous code, delegates as a foundation for callback-style programming, and events for building observable patterns. Together, these topics form the backbone of modern, real-world C# development.
The cards are best suited for learners who already feel comfortable with basic C# syntax, such as classes, methods, and loops, and are ready to move into more powerful language features. If you are preparing for a coding interview, transitioning from another object-oriented language, or trying to level up on a C# project at work, this deck can help you review the concepts and terminology you will encounter again and again.
Because the topics are related, try to notice the connections as you study. Delegates are the mechanism that makes LINQ possible and that underlies the event system, while async/await is built on top of the Task types. Understanding these relationships will make the individual facts easier to remember than treating each card in isolation.
For the best results, work through the deck in short, spaced sessions rather than long cramming blocks. A few cards a day, with occasional review of older material, will help these concepts move from short-term recall into confident, lasting knowledge you can apply when reading or writing real C# code.