Top 100 C# interview questions and answers 2022
- What is a C# programming language?
- What are the types of comment in C# with examples?
- What is a class in c#?
- What is an object?
- What is the relation between class and objects?
- List some of the advantages of C#?
- What are IDE’s provided by Microsoft for C# development?
- What is the difference between a struct and a class in C#?
- What are the similarities between a struct and a class in C#?
- What is oops and what are the different properties provided by oops?
- The Differences between Abstraction and Encapsulation in C#?
- Explain sealed class in C#?
- What are value types in C#?
- What are reference types in C#?
- What is the difference between value types and reference types?
- How do you get the size of value type?
- What are different types of the parameter in c#?
- What is the difference between “out” and “ref” parameters in C#?
- List out the differences between Array and ArrayList in C#?
- Why we use keyword “const” in C#.
- What are Access Modifiers in C#?
- How is the exception handling done in C#?
- Can we execute multiple catch blocks in C#?
- What is Jagged Array in C#?
- What is the purpose of using statement in C#?
- How to sort an array in C#?
- Is multiple inheritance supported in C#?
- What is the difference between while, do while and for loop?
- What is the difference between “constant” and “readonly” variables in C#?
- What is the difference between dispose and finalize methods in c#?
- What is the difference between string and StringBuilder in c#?
- List out some of the exceptions in C#?
- What do you mean by the delegate in C#?
- What are the types of delegates in C#?
- What is Nullable Type in C#?
- What do you mean by boxing and unboxing in C#?
- Can “this” be used within a static method?
- Explain is an interface class?
- Explain Abstract class?
- What is the difference between Interface and Abstract class?
- What is the difference between static & dynamic polymorphism?
- What are the ways a method can be overloaded?
- Explain ‘Virtual’ Keyword?
- What is generics in C#.NET?
- How do you inherit a class into other class in C#?
- What is the difference between is and as operators in c#?
- What are the differences between static, public and void in C#?
- What is the difference between methods – “System.Array.Clone()” and “System.Array.CopyTo()” ?
- Explain Partial Class in C#?
- What are the collection types can be used in C#?
- What is multitasking?
- What is Multi-Threading?
- What is a thread?
- How can we change the priority & what the levels of priority provided by .Net?
- How can you reference current thread of the method?
- What is thread.sleep() in threading?
- How can you make a thread sleep for infinite time?
- What is suspend & Resume in Threading?
- What is the difference between sleep & suspend?
- How to stop the long running thread??
- What is Thread.Join in threading?
- What is serialization?
- What is object pool in .Net?
- What are circular references?
- What is Hashtable in C#?
- What is Constructor Overloading in C#?
- What are indexers in C#?
- How to implement singleton design pattern in C#?
- Name the compiler of C#?
- Which string method is used for concatenation of two strings in c#?
- What is the difference between “continue” and “break” statements in C#?
c# programming
It is a subset of multitasking. Instead of switching between programs this feature switches between different part of the same program.
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