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Description: Learn C# Step by Step with C# interview Q&A Course. questpond.com/c-step-by-step-with-interview-questions---answers-series/cid62 Complete .NET Video list - questpond.com/totalimages.html For more such videos subscribe youtube.com/questpondvideos OOPS interview questions and answers:- youtu.be/u99wAoBjDvQ Following are the questions covered in this C# Q&A Series :- - Questions on Stack, Heap, Boxing, Unboxing, Array, ArrayList, Generics, Threading. 00:00 Introduction. 02:34 Question 1 :- Explain difference between .NET and C# ? 06:44 Question 2 :- .NET Framework vs .NET Core vs .NET 5.0 15:08 Question 3 :- What is IL ( Intermediate Language) Code ? 15:08 Question 4 :- What is the use of JIT ( Just in time compiler) ? 17:03 Question 5 :- Is it possible to view IL code ? 18:14 Question 6 :- What is the benefit of compiling in to IL code ? 20:39 Question 7 :- Does .NET support multiple programming languages ? 22:52 Question 8 :- What is CLR ( Common Language Runtime) ? 24:10 Question 9 :- What is managed and unmanaged code ? 26:21 Question 10 :- Explain the importance of Garbage collector ? 28:11 Question 11 :- Can garbage collector claim unmanaged objects ? 28:33 Question 12 :- What is the importance of CTS ? 30:25 Question 13 :- Explain CLS ? 33:23 Question 14 :- Difference between Stack vs Heap ? 35:27 Question 15 :- What are Value types & Reference types? 36:15 Question 16 :- Explain boxing and unboxing ? 37:01 Question 17 :- What is consequence of boxing and unboxing ? 37:32 Question 18 :- Explain casting,implicit casting and explicit casting ? 39:37 Question 19 :- What can happen during explicit casting ? 40:48 Question 20 :- Differentiate between Array and ArrayList ? 43:12 Question 21 :- Whose performance is better array or arraylist ? 44:22 Question 22 :- What are generic collections ? 46:20 Question 23 :- What are threads (Multithreading)? 47:32 Question 24 :- How are threads different from TPL ? 52:47 Question 25 :- How do we handle exceptions in C#(try/catch)? 54:43 Question 26 :- What is the need of finally? 55:49 Question 27 :- Why do we need the out keyword ? 58:12 Question 28 :- What is the need of Delegates ? 58:45 Question 29 :- What are events ? 59:35 Question 30 :- Whats the difference between Abstract class and interface ? - Questions on Delegates, Event & Delegates vs Events. Question 31 - What is a Delegate and how to create a Delegate? Question 32 - Where have you used Delegates? Question 33 - What is a Multicast Delegates? Question 34 - What is an Event? Question 35 - How to Create an Event? Question 36 - Delegate VS Events. - Questions OOP, Abstraction, Encapsulation, Inheritance, Virtual, Overriding and overloading. Question 37 :- Why do we need OOP ? Question 38 :- What are the important pillars of OOPs ? Question 39 :- What is a class and object ? Question 40 :- Abstraction vs Encapsulation? Question 41 :- Explain Inheritance ? Question 42 :- Explain virtual keyword ? Question 43 :- What is overriding ? Question 44 :- Explain overloading ? Question 45 :- Overloading vs Overriding ? - Questions Polymorphism, Static vs Dynamic polymorphism and operator overloading. Question 44 :- What is polymorphism ? Question 45 :- Can polymorphism work with out inheritance ? Question 46 :- Explain static vs dynamic polymorphism ? Question 47 :- Explain operator overloading ? - Tricky Questions around Abstract classes and Interfaces. Question 48 :- Why do we need Abstract classes ? Question 49 :- Are Abstract methods virtual ? Question 50 :- Can we create a instance of Abstract classes ? Question 51 :- Is it compulsory to implement Abstract methods ? Question 52 :- Why simple base class replace Abstract class ? Question 53 :- Explain interfaces and why do we need it ? Question 54 :- Can we write logic in interface ? Question 55 :- Can we define methods as private in interface ? Question 56 :- If i want to change interface whats the best practice ? Question 57 :- Explain Multiple inheritance in Interface ? Question 58 :- Explain Interface Segregation principle ? Question 59 :- Can we create instance of interface ? Question 60 :- Can we do Multiple inheritance with Abstract classes ? - Answering the most asked Question "Abstract classes vs Interface". Abstract Class vs interface interview questions and answers. - Questions around constructors & in parent child which constructor fires first. Question 62 :- Why do we need constructors ? Question 63 :- In parent child which constructor fires first ? Question 64 :- How are initializers executed ? Question 65 :- How are static constructors executed in Parent child ? Question 66 :- When does static constructor fires ? - Questions around Shadowing, Sealed, Nested classes and partial classes. For more details contact questpond@questpond.com OR call +919967590707-9619842789. #CsharpInterviewQuestions #C#InterviewQuestionsforExperienced #InterviewQuestionsforC#