C# Interview Questions and Answers (2025)
A comprehensive study guide for C# programming interview questions, covering core concepts like abstract classes, memory management, and interfaces.
A comprehensive study guide for C# programming interview questions, covering core concepts like abstract classes, memory management, and interfaces.
Explores the performance differences between passing by value and by reference in C#, focusing on structs, copying costs, and dereferencing overhead.
Explains memory management in C#, covering the Heap, Stack, and the performance implications of boxing and unboxing operations.
Explains memory management, the stack, and garbage collection in programming, using examples from C, Go, and Rust.
An introduction to Reverse Polish Notation (RPN), explaining its stack-based logic, history with HP calculators, and providing a JavaScript evaluator.
A critique of Java's Stack class design, showing how inheritance from Vector breaks encapsulation and leads to non-stack operations being exposed.
Explores a DOS debugging quirk where programs behave differently in debuggers due to stack space manipulation for interrupt traps.