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31 courses · 418 lessons
C# Language courses
3 coursesClear filters
- Intermediate
C# and .NET Interview Questions and Answers
A complete, interview-focused pass over C# and .NET: 222 continuously numbered questions with worked answers covering the CLR, collections and LINQ, async and concurrency, memory and diagnostics, ASP.NET Core and EF Core, and architecture, testing and security. Preview the first three lessons free. Full Access unlocks lesson four onward.
15 lessons · 1 h 21 min - IntermediateFree
Practical LINQ: Execution, Projection and Grouping
Four focused LINQ to Objects lessons with runnable C# examples and interview practice. Learn deferred execution, materialization, projection and grouping.
4 lessons · 35 min · 5 practice tests - Intermediate
C# Equality and Hash Collections
Three lessons on equality contracts, ordinal string comparers and mutable-key lookup failures, with runnable C# examples, analogies and quick-reference aids. Each lesson has a 12-question practice test with explanations. The first two lessons, their videos and tests are free; the third lesson and its test require Full Access. The free course checkpoint now has 12 questions, with 20 timed minutes and a pass mark of 8 out of 12.
3 lessons · 36 min · 4 practice tests