#csharpinterviewquestions2022

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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()?

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#?

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?

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?

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#?

Q091. What are the different ways to handle the exceptions in C#? Can a try block exist without a catch block in C#? Q092. What is the difference between IEnumerable and IEnumerator in C#? Q093. What is the difference between IEnumerable and IQueryable in C#? Q094. What is the difference between IEnumerable, IList, and List in C#? Q095. What is the use of Params keyword in C#? Q096. What is the difference between Equality Operator "==" and .Equals() method comparison in C#? Q097. What is a private constructor? What is the use of a private constructor? Q098. What is a static constructor in C#? How can you call the static constructor? Q099. What is the Constructor Chaining in C#? How it is different from Constructor Overloading? Q100. Can you prevent a class from being instantiated? What are the different ways to do that?

Q081. What is the difference between constant and readonly in C#? Q082. What is recursion? Which data structure is used by the recursion? Q083. What is a delegate in C#? Can you tell me some common delegates available in C#? Q084. What is the use of FUNC, PREDICATE, and ACTION delegates in C#? Q085. What are the generics in C#, and why they are required? How can you define a generic class and methods in C#? Q086. What is the difference between generic and non-generic collections? Or What is the difference between System.Collections and System.Collections.Generic namespaces? Q087. What is the difference between an Array and ArrayList in C#? Q088. What is the difference between the Array.CopyTo and Array.Clone? Q089. What is an indexer in C#? What is the difference between indexer and property? Q090. What is the difference between debug and release mode?