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37 interview questions on C# - Fundamentalsfor developers (2024)

Test your technical skills before an interview of C# - Fundamentals with 37 corrected questions. Beginner, Intermediate or Expert level.

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Easy
7 votes896 runs1 comment

Create an abstract Vehicle class implementing an ICarbody interface

Back-end developer
interfaces
inheritance
Maximeat Mar 16, 2022
Medium
4 votes789 runs0 comment

The PFX Framework:

Back-end developer
multithreading
parallelization
c#
Maximeat Mar 16, 2022
Easy
3 votes797 runs0 comment

Simple inheritance between a parent class and a child class in C#

Back-end developer
inheritance
classes
Maximeat Mar 16, 2022
Easy
2 votes822 runs1 comment

Write a C# class with a private int age field and getter and setter methods for it.

Back-end developer
access
field
Maximeat Mar 16, 2022
Medium
2 votes757 runs0 comment

How to declare a SortedList<Key,Value> in C#

Back-end developer
collections
generics
Maximeat Mar 9, 2023
Easy
2 votes93 runs0 comment

Initialize a new Vehiclue object containing a string field in C#

Back-end developer
classes
objects
Auroreat Aug 30, 2024
Easy
2 votes91 runs0 comment

What is the new syntax for creating an object in C# 9.0?

Back-end developer
object initializer
Auroreat Aug 30, 2024
Easy
1 vote873 runs
1 comment

An event in an ASP.NET application:

Back-end developer
asp.net
controller
Maximeat Mar 16, 2022
Medium
1 vote735 runs0 comment

Write a C# function that displays a matrix.

Back-end developer
arrays
loops
Maximeat Mar 25, 2022
Medium
0 vote776 runs1 comment

How to deploy an ASP.NET application

Back-end developer
config
deployment
Maximeat Mar 16, 2022
Medium
0 vote766 runs0 comment

In C#, a thread:

Back-end developer
c#
thread
asynchronous
Maximeat Mar 16, 2022
Medium
0 vote739 runs1 comment

What is a property in C#?

Back-end developer
properties
methods
fields
Maximeat Mar 16, 2022
Medium
0 vote716 runs0 comment

About objects of type List<T>:

Back-end developer
list
sort
add
Maximeat Mar 16, 2022
Easy
0 vote654 runs0 comment

Write a C# program that prints 6WeLoveDevs to the console.

Back-end developer
console
strings
Maximeat Mar 25, 2022
Easy
0 vote486 runs0 comment

About interfaces in C#

Back-end developer
interfaces
Maximeat Mar 16, 2022
Easy
0 vote456 runs1 comment

Lists in C#:

Back-end developer
list
c#
Yona Eisenbergat Mar 28, 2023
Medium
0 vote414 runs0 comment

Windows Presentation Foundation (WPF) :

Back-end developer
gui
xaml
c#
Maximeat Mar 16, 2022
Medium
0 vote234 runs0 comment

ASP.NET Core C# :

Back-end developer
web development
project template
native development
Maximeat Mar 16, 2022
Easy
0 vote229 runs0 comment

Write a C# program that swaps the values of two variables.

Back-end developer
variables
assignment
Maximeat Mar 25, 2022
Medium
0 vote229 runs0 comment

What is the difference between public, private and protected attributes in C#?

Back-end developer
attributes
visibility
Maximeat Mar 16, 2022