Without questions, life is nothing but stagnation. You don’t have to be a computer science graduate, a coding bootcamp graduate, or a career changer to ask the first question: “How prepared am I for a job application?” The internet makes it easy to not be completely blindsided in the interview process. You can find many helpful tips and guides online for interview preparation. It’s all about choosing the right resources and then applying what you have learned. Let’s take a look what you can expect from C# interview questions.
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C# INTERVIEW QUESTIONS
Below are some examples of C# interview questions that you might be asked and the answers.
1. What is C#?
C# (pronounced “see Sharp”) is an object-oriented programming language (OOP) created by Microsoft. It has been standardized by ISO (and ECMA) for use on the.NET platform. It was released in 2002. C# has undergone many improvements since then, with the most recent version of C# being C# 6. Although initially designed to run on Windows, it was quickly portable to Linux and Mac OS X through the Mono project. C# runs on the cross-platform.NET Core.
2. What are the most important features of C#
C# is a modern, simple, object-oriented programming language.
C# offers versioning. This means that you can make a new module work with an existing version.
C# is type-safe because it doesn’t allow unsafe casts such as convert double to boolean or direct memory manipulation.
C# is much faster than BASIC.
C# is easily scalable and can be extended.
C# can be used to create Console, Windows, and Web applications.
3. What is the difference between “throw” and the “throw ex?” in.NET
“Throw” preserves and provides the entire original error stack information about the exception that occurred in the code. While “throwex” removes any hierarchy above the method containing “throwex” expression. It pretends that an exception occurred at the line where “throw Ex” was written.
4. Compare “string” and ‘StringBuilder’ in C#
StringBuilder’s object is mutable. This means that once it is created, an object can be modified later using Append, Remove, or Replace. String is immutable. This means that we cannot modify the string object. Instead, we will create a new object in string type’s memory.
5. What are some of the benefits of C# programming language?
C# is a popular programming language. It is a powerful programming language with organized libraries and frameworks that rival other languages.
The benefits of C# Programming Language
It can be interoperable with other technologies, applications languages, frameworks, or technologies (e.g..NET).
It is a pure object-oriented language that allows users to create modular applications using reusable codes.
It includes an automated item removal feature, which collects, disposes of and deletes all garbage in the system to manage unmanaged resources in C#.
It includes a library with a variety of highly functional tools that makes implementation easy.
It features a secure recovery system that prevents memory leaks.
It is supported by the Microsoft team and has a strong support group to assist users with their queries or solve problems.
6. What is the difference in C# between a “struct” and a class?
Class is a reference type that supports inheritance. Its variables are stored on Heap, which is public by default.
Struct is a type of value that doesn’t support inheritance. Its variables are stored on Stack, which is by default private.
7. What is the difference between “method overloading” and “method overriding?”
What is method overloading?
It is the process of creating multiple methods/functions with the exact same name, but different parameters within the same class. This can be done by changing