38 interview questions on C# - Fundamentals for developers (2025)

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multithreading

parallelization

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object initializer

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asynchronous

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constructors

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38 interview questions on C# - Fundamentalsfor developers (2025)

Test your technical skills before an interview of C# - Fundamentals with 38 corrected questions. Beginner, Intermediate or Expert level.

38 interview questions on C# - Fundamentalsfor developers (2025)

Test your technical skills before an interview of C# - Fundamentals with 38 corrected questions. Beginner, Intermediate or Expert level.

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

The PFX Framework:

An event in an ASP.NET application:

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

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

Write a C# function that displays a matrix.

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

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

Choose the two correct answers:

What is a property in C#?

Create an abstract Vehicle class implementing an ICarbody interface

How to deploy an ASP.NET application

In C#, a thread:

Write the constructors of a public class Platane that includes a protected int nb_branche field and inherits from a public Arbre class including the protected string type_arbre field.

About objects of type List<T>:

In a derived class: We must implement the methods of an abstract parent class in the derived classes, You can override a predefined method with the virtual attribute in the parent class

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

About interfaces in C#

Lists in C#:

Windows Presentation Foundation (WPF) :