C Sharp Fundamentals and Best Practices Questions

Tests core knowledge of the C Sharp programming language and idiomatic patterns for writing maintainable and performant code. Topics include value types and reference types, memory and object semantics, language features such as properties, delegates, events, interfaces and inheritance, generics, LINQ, asynchronous programming patterns including async and await, exception handling, and commonly recommended best practices for performance and readability. Candidates should be able to discuss common pitfalls such as boxing and excessive allocation, show how to write clean code in the language ecosystem and apply relevant debugging and profiling techniques.