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Object-Oriented Design in C#

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Difficulty: Beginner · 22 min

Encapsulation, inheritance, polymorphism, interfaces, abstract classes, and choosing composition for maintainable interview solutions.

Prep paths

C# Interview Foundations: Types, LINQ, and ConcurrencyA practical C# interview path covering the type system, object-oriented design, generics, collections, LINQ, resource safety, async workflows, cancellation, and .NET memory management.