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C# Interview Questions

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81.

What is dependency injection and how is it implemented in .NET?

intermediate

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82.

Explain threading concepts: Thread, ThreadPool, and Task.

intermediate

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83.

What are locks and synchronization in C#?

intermediate

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84.

Explain the Repository and Unit of Work patterns.

intermediate

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85.

Explain indexers in C#.

intermediate

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86.

What are operator overloading and how do you implement it?

intermediate

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87.

What are local functions and when would you use them?

intermediate

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88.

Explain covariance and contravariance in generics.

expert

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89.

Explain weak references and when to use them.

expert

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90.

What is the `stackalloc` keyword and when should you use it?

expert

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91.

Explain `Span<T>` and `Memory<T>` and their use cases.

expert

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92.

What are ref structs and their limitations?

expert

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93.

Explain generic math and static interface members in C# 11.

expert

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94.

What are scoped variables and ref safety in C# 11?

expert

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95.

Explain performance considerations and best practices in C#.

expert

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96.

Explain security best practices in C#.

expert

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97.

What are the latest trends and future directions in C#?

expert

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98.

What are source generators and how do they work?

expert

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99.

What are expression trees and how are they used?

expert

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Showing 81 to 99 of 99 results

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