C# Interview Questions
OOP in C#
Encapsulation, inheritance, polymorphism, abstraction.
View sample →Collections
List, Dictionary, HashSet, and when to use each.
View sample →Generics
Generic types, constraints, covariance, and performance.
View sample →Delegates & Events
Func, Action, event patterns, and lambdas.
View sample →async / Task
Task vs Thread, async state machine, cancellation.
View sample →LINQ
Query syntax, method syntax, deferred execution.
View sample →Exception Handling
try/catch/finally, custom exceptions, best practices.
View sample →Memory & GC
Stack vs heap, garbage collection, IDisposable.
View sample →Design Patterns
Singleton, Factory, Repository, Strategy in C#.
View sample →Nullable & Records
Nullable reference types, records, init-only setters.
View sample →Practice with AI mock interviews
Run C# mock interviews with instant feedback on AiLx.
Free to start · No credit card required