C# Interview Questions and Answers - Part 08:
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Q071. What is the difference between Sealed Class and Static Class in C#?
Q072. How a sealed class is different from a class having a private constructor in C#?
Q073. What is a destructor? How does it affect the garbage collection process? When should we define destructor in C#?
Q074. When the destructor is called? Can you pass parameters to destructors? How many destructors can be defined in a class?
Q075. What is garbage collection in C#? What are the different generations of GC? Why different GC Generations Required?
Q076. What is the difference between Destructor and Finalizer in C#?
Q077. What is the difference between IDisposable and Finalizer? or What is the difference between dispose and finalize method in C#?
Q078. Can a static class contain a destructor? Why?
Q079. What is the purpose of using statement or using block in C#? or What is the using dispose pattern?
Q080. What is the use of the Checked and UnChecked keywords in C#?


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C# Interview Questions and Answers - Part 11:
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Q101 What is Data Annotation in C#? How can you do remote validation using it?
Q102. What is Reflection? What is the use of reflection in C#?
Q103. What is LINQ in C#?
Q104. What is Extension Method in C#? What is the difference between the Extension Method, Overloaded Method, and Overridden Method?
Q105. What are Anonymous Types in C#? How it is different from dynamic types?
Q106. What is the difference between dynamic and var type in C#?
Q107. What is the difference between the “throw” and “throw ex” in .NET?
Q108. What is finally block? How many finally blocks can you define with a try block?
Q109. What will happen if the finally block throws an exception?
Q110. What is the difference between the IS and AS Operators in C#?


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C# Interview Questions and Answers - Part 12:
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Q121. What is the difference between final, finally, and finalize?
Q122. What is the difference between First() and FirstOrDefualt() in C#?
Q123. What is the volatile keyword? What is the use of volatile keywords in C#?
Q124. What is the difference between Deferred Execution vs Immediate Execution? or What is the difference between Lazy Operators vs Greedy Operators?
Q125. What is the difference between Lazy Loading vs Early Loading in C#?
Q126. What is the difference between Late Binding and Lazy Loading? Are both the same?
Q127. What is the difference between Early Binding and Early Loading? Are both the same?
Q128. What is the difference between "this" vs "base" keyword in C#?
Q129. What is the difference between foreach loop and for loop in C#?
Q130. What is the difference between instance field and property in the C# class?


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C# Interview Questions and Answers - Part 13:
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Q131. What is TPL in the .Net? Why TPL is required in C#?
Q132. What is the difference between ForEach and Parallel.ForEach loop in C#?
Q133. What is the difference between Standard For Loop and Parallel.For Loop in C#?
Q134. What is the difference between task, process, and thread?
Q135. What is Multi-threading? What is the difference between Multi-threading vs MultiTasking or Multi-threading vs Concurrency?
Q136. What is the difference between Concurrency and Parallelism? Are they same as async programming?
Q137. What is asynchronous programming? What is the use of async and await keywords in C#?
Q138. What is a Task in C#? What is the difference between task and thread?
Q139. What is synchronization and why it is important?
Q140. What is the difference between Join and Lock synchronization?



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C# Interview Questions and Answers - Part 14:
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Q141. What is the difference between Mutex and Monitor?
Q142. What is Semaphore C#? How does the Semaphore work?
Q143. What is deadlock? How can you prevent deadlock in C#?
Q144. What do you mean by thread-safe? How can you share data between multiple threads?
Q145. How can you retrieve data from a thread? What is a callback method?
Q146. What is Annonumous Method in C#?
Q147. What is Lambda Expression in C#?
Q148. What is a thread? What is the thread life cycle or different states of a thread?
Q149. What is the difference between task.wait(), task.delay(), and thread.sleep() in C#?
Q150. What is string interpolation in C#?


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C# Interview Questions and Answers - Part 15:
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Q151. What is the difference between generic and non-generic collections? Why do we need generic collections?
Q152. What is ArrayList? What is the difference between array and ArrayList?
Q153. What is Dictionary? What is the difference between a List and Dictionary?
Q154. What is HashTable? What is the difference between HashTable and Dictionary?
Q155. What is Stack? What are the applications of Stack? What is the difference between the Peek() and Pop() operations?
Q156. What is Queue? What are the applications of Queue? What is the difference between Dequeue() and Peek() operations?
Q157. What is Heap? What are the applications of Heap?
Q158. What is Linked List in C#?
Q159. What is the difference between class and object?
Q160. What is the use of optional parameters? Can you overload two methods based on optional Parameters?


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C# Interview Questions and Answers - Part 18:
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Q175. What is Routing? How does routing work in ASP .Net Core?
Q176. What is the difference between Route, RouteCollection, and Route Handler?
Q177. What is the difference between MapControllerRoute vs MapDefaultControllerRoute vs MapControllers in ASP .Net Core MVC?
Q178. What is Route URL Pattern in ASP .Net Core MVC?
Q179. What is Default Route? How can you define multiple routes in ASP .Net MVC Core?
Q180. What are the different types of routing in ASP .Net Core?
Q181. What is Conventional based Routing in ASP .Net Core?
Q182. What is Attribute-based Routing in ASP .Net Core?
Q183. What is the use of UseRouting() middleware in ASP .Net Core? How it is different from UseEndPoints()?



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C# Interview Questions and Answers - Part 19:
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Q184. What is the difference between Routing in ASP .Net Core 2.0 and ASP .Net Core 3.0?
Q185. What is End Point? What is End Point Routing in ASP .Net Core?
Q186. How does the End Point Routing work in ASP .Net Core MVC?
Q187. How can you define endpoints in ASP .Net Core?
Q188. What is UseEndpoints() middleware in ASP .Net MVC Core?
Q189. What is POST Tunneling Middleware in ASP .NET Core? What is UseHttpMethodOverride() middleware in ASP .Net Core?
Q190. How can you enforce HTTPS in ASP .NET Core Project?
Q191. What is OWIN? How can you use OWIN in ASP .NET Core?
Q192. What is SignalR in ASP .NET Core?
Q193. What is a Secret Manager in ASP .Net Core?




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