Top # 10+ C# Language Interview Questions and Answers

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Hey there are you preparing for Job interview or something ? then you are at the right place. We, Hack For security have collected the frequently asked questions in C# Interview questions.

C Sharp is simple, Object orientated, modern and General-purpose programming language and today we will help you to crack any interview of the C# language.

C# Language Interview Questions and Answers

C# Language Interview Questions and Answers
C# Language Interview Questions and Answers

1.  What is object-oriented programming (OOP) Language?

Object-oriented programming (OOP) is a programming language model organized around objects rather than "actions" and data rather than logic. Historically, a program has been viewed as a logical procedure that takes input data, processes it, and produces output data.

2. What are the types of comment in C# with examples?

i.  Single line
ii. Multiple line (/* */)
iii. XML Comments (///).

3. Can multiple catch blocks be executed?

No, Multiple catch blocks can’t be executed. Once the proper catch code executed, the control is transferred to the finally block and then the code that follows the finally block gets executed.

4.Explain about C# Language.

C# is a OOPs language, .net framework use to compiled it, to generate machine code.

5. Top reason to use C# language?

It can be compiled on a variety of computer platforms.
It produces efficient programs.
Component oriented.
Part of .Net Framework.
Modern, general-purpose programming language
Object oriented.
Easy to learn.
Structured language.

6. feature of C# language?

Conditional Compilation
Simple Multithreading
LINQ and Lambda Expressions
Delegates and Events Management
Integration with Windows
Boolean Conditions
Automatic Garbage Collection
Standard Library
Assembly Versioning
Properties and Events
Easy-to-use Generics

7. What is a Class and object?

a set or category of things having some property or attribute in common and differentiated from others by kind, type, or quality. and Objects are created from Classes, in C#, is an instance of a class that is created dynamically. Object is also a keyword that is an alias for the predefined type System.

8. Types of Constructors

Copy Constructor
Parameterized Constructor
Private Constructor
Basically constructors are 5 types those are
Default Constructor
Static Constructor

9.What is the difference between ref & out parameters?

An argument passed as ref must be initialized before passing to the method whereas out parameter needs not to be initialized before passing to a method.

10. What is an interface class?

Interface is an abstract class which has only public abstract methods and the methods only have the declaration and not the definition. These abstract methods must be implemented in the inherited classes.

11.What is method overloading?

Method overloading is creating multiple methods with the same name with unique signatures in the same class. When we compile, the compiler uses overload resolution to determine the specific method to be invoke.

If you have any questions then feel free to ask!


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