15+ Advanced C# Interview Questions for Experienced Devs 2026

The C# interview questions and answers for experienced developers guide presents several tough and commonly asked advanced C# interview questions and answers. C# coding interview questions for 10 years’ experience given in the guide cover several key areas of the .NET platform and system design.

The C# interview questions and answers for the years’ experience guide covers several key topics. Questions are answered with a simple flow diagram and code snippet where needed. You are expected to answer similarly for advanced C# interview questions.

Interviewers administering C# coding interview questions for 10 years’ experience expect deep expertise and knowledge of C# implementations. They look beyond textbook definitions and expect you to touch on lateral related topics, explain the problems, memory management, and the trade-offs.

You are expected to be an expert in coding and system design, capable of large-scale architecture design, tech stacks, and have a deep knowledge of libraries. The questions and answers in the C # coding interview questions guide is not exhaustive.

They indicate the trend and type of C# questions, and the manner in which you should present the answers.

Key Takeaways

Q1. How Does Memory Management Work in C#?

An important topic for C# interview questions for 10 years’ experience developers, in C#memory management is handled automatically by the Common Language Runtime (CLR) and the Garbage Collector (GC). This feature removes the requirement of manual memory management tasks done in languages like C or C++. The memory is divided into two main areas: the stack and the heap.

A stack is a LIFO memory region for storing. The value types are int, float, bool, and structs. It handles local variables and method parameters and uses pointers/ references to link to objects on the heap, using the call stack.

Memory allocation and removal are quick since only the pointer is moved, and memory is free automatically when a method exits the scope.

Managed Heap is a bigger, flexible memory region that stores class instances, arrays, strings, and delegates. Objects on the heap can have a longer lifespan than the method in which they were created. Allocation on the managed heap is fast since new objects are allocated contiguously, with the runtime maintaining a pointer to the next available address.

Stack vs Heap: Stack is fast, auto-managed memory for short-lived, fixed-size data. The heap is larger, slower, and GC-managed for objects whose lifetime isn’t known at compile time. The code is:

int x = 42;           // Stack — value type, copied
string s = "hello";   // Stack holds reference, object lives on heap
var obj = new Person(); // Heap — reference type

The garbage collector operates on the heap and automatically gathers memory from objects that are not in use. It stops all running threads periodically and selects objects in the heap that are reachable from the application’s roots. It then frees the occupied memory that is not reachable and moves reachable objects, updates all references.

Generational GC is used to optimize the performance, and the managed heap is placed into three generations: Generation 0, which contains short-lived objects; Generation 1, which contains objects after Generation 0 is run, and Generation 2, which has long-lived objects.

IDisposable Pattern is used for unmanaged resources such as file handles, DB connections, sockets, when the GC cannot handle the memory.

// Best practice: using statement — Dispose() called automatically
using var conn = new SqlConnection(connectionString);
conn.Open();
// conn.Dispose() called here even if an exception is thrown

// Full IDisposable + Finalizer pattern (for classes with native handles)
public class ResourceHolder : IDisposable
{
    private bool _disposed = false;
    private IntPtr _handle; // unmanaged resource

    public void Dispose()
    {
        Dispose(true);
        GC.SuppressFinalize(this);
    }

    protected virtual void Dispose(bool disposing)
    {
        if (_disposed) return;
        if (disposing)
        {
            // Free managed resources here
        }
        // Free unmanaged resources (always)
        if (_handle != IntPtr.Zero)
        {
            // NativeMethods.CloseHandle(_handle);
            _handle = IntPtr.Zero;
        }
        _disposed = true;
    }

    ~ResourceHolder() => Dispose(false);
}

Q2. What Is the Difference Between IEnumerable and IQueryable?

The main difference is the location for filtering and processing logic execution. IEnumerable processes data in application memory on the client-side, while IQueryable translates the query into a language the data source understands, like SQL, and executes it on the server side.

IQueryable inherits from IEnumerable. C# interview questions and answers for 10 years’ experience developers often ask for the difference between IEnumerable and IQueryable.

using System.Collections.Generic;
using System.Linq;

List<int> numbers = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

IEnumerable<int> evens = numbers.Where(n => n % 2 == 0);

foreach (var n in evens)
    Console.WriteLine(n); // 2, 4, 6, 8, 10
// Filtering happens in .NET memory — all 10 items were loaded first

using Microsoft.EntityFrameworkCore;

using var context = new AppDbContext();

IQueryable<Product> expensiveProducts = context.Products
    .Where(p => p.Price > 100)
    .OrderBy(p => p.Name);

// No DB call yet — query is just built as an expression tree
var result = expensiveProducts.ToList();
// NOW the DB call happens: SELECT * FROM Products WHERE Price > 100 ORDER BY Name

The below table gives the differences between IEnumerable and IQueryable:

Feature	IEnumerable<T>	IQueryable<T>
Namespace	System.Collections.Generic	System.Linq
Execution	In-memory (client-side)	Deferred / translated to query (server-side)
Query translation	No — LINQ executed in .NET	Yes — expression tree translated (e.g., to SQL)
Best suited for	In-memory collections, lists, arrays	Remote data sources — databases, OData, etc.
Filtering	Loads all data first, then filters in memory	Filters are sent to the data source (e.g., SQL WHERE)
Performance	Less efficient for large remote datasets	More efficient — only fetches needed data
Lazy loading	Partial — lazy per element	Full — query not executed until iterated
Supports expression trees	No	Yes — uses Expression<Func<T>>
Custom query provider	No	Yes — via IQueryProvider
Extends	IEnumerable	IEnumerable + IQueryable
Used with	LINQ to Objects	LINQ to SQL, Entity Framework, etc.
Typical use case	Iterating over in-memory data	Querying a database via EF Core / LINQ to SQL

Q3. What Is the Difference Between Value Types and Reference Types?

In C#, the main difference between value types and reference types is that value types directly contain their data. Reference types store a reference (memory address) to their data (objects) on the heap. This question is frequently asked in C# interview questions and answers for engineers with 10 years of experience.

The following table gives the differences between value types and reference types.

Feature	Value Types	Reference Types
Storage location	Stack (or inline in containing type)	Heap (reference on stack, data on heap)
What variable holds	The actual data / value	A reference (memory address) to the data
Assignment behavior	Copies the value — independent copy	Copies the reference — both point to same object
Null by default	No — has a default value (e.g., 0, false)	Yes — defaults to null
Nullable support	Requires Nullable<T> or int?	Nullable by default
Memory allocation	Allocated on stack — fast, automatic cleanup	Allocated on heap — managed by GC
Garbage collection	Not GC managed — freed when scope ends	Managed by garbage collector
Performance	Generally faster for small, short-lived data	Slight overhead due to heap allocation and GC
Equality comparison	By value (content)	By reference (memory address) unless overridden
Inheritance	Cannot inherit (implicitly sealed)	Supports full inheritance
Boxing / Unboxing	Can be boxed into object (has overhead)	No boxing needed
Defined with	struct, enum	class, interface, delegate, record
Common examples	int, double, bool, char, DateTime, struct	string, object, arrays, class instances, List<T>
Passing to methods	Passed by value (copy) by default	Reference passed — method can mutate original
Thread safety	Safer — each thread gets its own copy	Shared reference — needs explicit synchronization

Q4. Explain Boxing and Unboxing

Boxing is the implicit process in C# to convert a value type like int, char, or struct to a reference type object or an interface type. Unboxing is the explicit process of converting a reference type back to its original value type. These are important C # interview questions and answers for engineers with 10 years of experience.

The following table presents the features and differences of boxing and unboxing in C#

Feature	Boxing	Unboxing
Definition	Converting a value type to object or an interface type	Extracting a value type back from an object reference
Direction	Value type → Reference type	Reference type → Value type
Conversion	Implicit — happens automatically	Explicit — requires a cast
Example	int i = 42; object obj = i;	int j = (int) obj;
Memory effect	Allocates a new object on the heap, copies value into it	Copies value from heap back to the stack
Performance cost	Heap allocation + memory copy	Type check + memory copy
GC impact	Creates heap objects — increases GC pressure	No new allocation, but boxed object becomes eligible for GC
Exception risk	None	InvalidCastException if cast is to wrong type
Mutability	Boxed copy is independent — changes to original don’t affect box	Unboxed copy is independent — changes don’t affect boxed object
Common triggers	Storing value type in ArrayList, passing as object, string interpolation, non-generic collections	Reading from ArrayList, casting from object parameter

Q5. Explain Asynchronous vs Synchronous Programming in C#

In synchronous programming in C#, tasks are run in a strict, linear order. The program will not start the second task until the first one has finished. This mode is appropriate for short, simple, CPU-bound tasks where order is critical, such as basic calculations, command-line tools, or operations within a strict transaction sequence.

using System.Net;

string FetchData(string url)
{
    using var client = new WebClient();
    string result = client.DownloadString(url); // blocks the thread until done
    Console.WriteLine("Data received.");
    return result;
}

// Calling it
string data = FetchData("https://api.example.com/users");
Console.WriteLine(data);

In Asynchronous programming, the program starts a long-running task and then immediately moves on to other independent work without waiting for the first task to complete. The C# compiler handles the complex mechanics using state machines when you use the async and await keywords.

using System.Net.Http;

async Task<string> FetchDataAsync(string url)
{
    using var client = new HttpClient();
    string result = await client.GetStringAsync(url); // releases thread while waiting
    Console.WriteLine("Data received.");
    return result;
}

// Calling it
string data = await FetchDataAsync("https://api.example.com/users");
Console.WriteLine(data);

The difference between synchronous and asynchronous programming is an important topic in C# interview questions and answers for 10 years’ experience.

Q6. Explain the Use of async and await in C#

One of the important advanced C# interview questions, the async and await keywords in C# simplify asynchronous programming. They provide code for long-running, non-CPU tasks like network requests or file I/O, and look and feel like synchronous code. They improve application responsiveness and scalability by allowing the program to perform other work instead of blocking the main thread while waiting for an operation to complete.

Code for fetching a user and their orders from a database:

public async Task<string> GetUserNameAsync(int userId)
{
    await Task.Delay(100); // simulates DB call
    return $"User_{userId}";
}

// Calling it
string name = await GetUserNameAsync(1);
Console.WriteLine(name); // User_1

Q7. What is the Common Language Runtime (CLR)?

A key topic in advanced C# interview questions, the Common Language Runtime (CLR) is a virtual machine component of the .NET Framework. CLR handles execution of .NET programs, providing core services such as Just-In-Time (JIT) compilation, garbage collection, type safety, and exception handling.

JIT Compilation: Just-In-Time compiler is the main part of the CLR and converts the platform-independent Common Intermediate Language (CIL/MSIL) code into native, machine-specific code at runtime. It offers on-demand compilation and optimizes the code for different hardware and OS, and the native machine code is cached for later work.

Garbage Collection is the automatic memory manager and uses a generational approach with the managed heap split into three generations.

Type safety is a mechanism that ensures code accesses only the memory locations it is authorized to access and use data types in well-defined, allowable ways.

Q8. How Does async/await Work Internally?

In C#, the async and await keywords are transformed by the compiler into a compiler-generated state machine. This mechanism allows a method to pause execution and yield control back to its caller without blocking the thread, and then resume execution later when the awaited operation is complete.

Important components are the compiler transfer to a state machine, no new threads, resume execution, and the synchronization context. The C# compiler converts the async method’s code into a hidden struct that implements the IAsyncStateMachine interface. This state machine manages the flow of execution, variables, and the current state of the operation.

The following figure illustrates the compiler’s transfer to the state machine and the code.

Q9. What Is the Null-Coalescing Operator (??) Used For?

The ?? operator returns the right-hand value only when the left-hand value is null or undefined — nothing else. It’s the precise alternative to ||, which triggers on any falsy value (0, “”, false, NaN).

Q10. Explain Delegates and Events

Delegates and events are C#’s type-safe way to implement the callback and observer patterns — but they exist in some form in almost every language.Delegates first. A delegate is a type that holds a reference to a method (or many methods). It is a typed function pointer and describes the exact signature a method must have to be stored in it.

Delegate is a variable holding a method reference. Like an int field, anyone can read, write, or call — no protection. It is a public field, powerful, but exposed — any outsider can reassign or fire it.

An event is a delegate wrapped in a property-like accessor. Exposes only += and -= to the outside world. It is a property with a private setter, and subscribers register interest; only the owner decides when to fire.

Code snippet showing delegate declaration, multicast, and event usage:

// ── Step 1: declare a delegate TYPE (defines the required signature)
delegate void Notify(string message);

// ── Step 2: methods that match the signature
void LogToConsole(string msg) => Console.WriteLine($"[LOG] {msg}");
void ShowPopup(string msg)    => Console.WriteLine($"[UI]  {msg}");

// ── Step 3: create an instance pointing at one method
Notify handler = LogToConsole;

// ── Step 4: invoke it — calls LogToConsole("Disk full")
handler("Disk full");
// OUTPUT
// [LOG] Disk full

Key point: The delegate type acts as a contract — any method with void MethodName(string) can be assigned to a Notify variable.

Q11. .NET Core vs .NET Framework: Differences and When to Choose Each

.NET Core is Microsoft’s modern, cross-platform, open-source framework. It is used for new development due to its superior performance and flexibility. .NET Framework is the older, Windows-only, proprietary platform. It is used for existing legacy applications tied to the Windows ecosystem.

Feature	.NET Core / .NET 5+	.NET Framework	Pick
PLATFORM & RUNTIME
OS support	Windows, macOS, Linux	Windows only	Core cross-platform
deployment model	Self-contained or framework-dependent; ships runtime with app	Machine-wide install required; shared runtime	Core isolation
side-by-side versions	yes — multiple runtimes coexist per machine	limited — major versions only; DLL hell risk	Core
active development	yes — .NET 8 LTS current; .NET 9 released 2024	maintenance only — 4.8.x, no new features	Core
PERFORMANCE
raw throughput	Significantly faster — rewritten runtime, Span<T>, value types pipeline	Slower; legacy allocations and GC pressure	Core
startup time	Fast; Native AOT option for near-instant cold start	Slower JIT warm-up; no AOT	Core
containers / Docker	first-class — small base images, Linux containers	Windows containers only, large image size	Core
APP MODELS & WORKLOADS
ASP.NET web	ASP.NET Core — Minimal APIs, Razor, Blazor, gRPC	ASP.NET (Web Forms, MVC 5, Web API 2)	Core new work
Web Forms	not supported	full support	Framework
WCF server	not built-in (CoreWCF community port exists)	full support	Framework
WPF / WinForms	Windows only — ported to .NET Core 3+	full support	either
COM / ActiveX	partial — COM interop works, ActiveX limited	full support	Framework
microservices	ideal — small footprint, containers, fast start	not suited	Core
ECOSYSTEM & TOOLING
NuGet packages	All modern packages target .NET Standard / .NET 6+	Older packages; some never updated	Core
Windows-only APIs	available via compatibility shims but not portable	full access — Registry, WMI, MSMQ, etc.	Framework if required
Entity Framework	EF Core — actively developed, better performance	EF 6 — maintained, no new features	Core new work
CLI tooling	dotnet CLI — cross-platform, scriptable, CI-friendly	MSBuild / Visual Studio centric	Core
long-term support	LTS releases every 2 yrs (.NET 6, 8, 10…)	4.8 supported until Windows end-of-life	Framework legacy

Q12. How Would You Design a High-Traffic REST API in .NET?

Main strategies are a layered architecture, a combination of caching, effective database optimization, and scalable infrastructure patterns.

• Trade off: Increased initial complexity and potential boilerplate code vs. improved maintainability, scalability, and ability to scale individual components independently. RESTful APIs are stateless, and the trade-off is the potential for challenges with backend storage scalability if the design relies heavily on frequent data access.
• Caching Strategy: It decreases database load and improves response time. In-Memory Caching is used to store frequently accessed data directly in the application’s memory for ultra-fast, local lookups. It is used for single-server environments or as an L1 cache in a multi-tier strategy.

Distributed Caching stores cached data across multiple servers, accessible to all API instances. This is needed for horizontal scaling.

Rate Limiting secures the API from abuse, prevents server overload, and ensures fair usage. Use the built-in ASP.NET Core Rate Limiting middleware with algorithms like Fixed Window or Sliding Window.

Async I/O uses the Task-based Asynchronous Pattern with async and await for all I/O-bound operations such as database calls, external HTTP requests, and file I/O. As a result, the API handles more concurrent requests with a limited number of threads, making efficient use of system resources and improving scalability under load.

Horizontal Scaling is obtained by adding more server instances. It is the primary method for handling high traffic. Design API services to be stateless so any instance can handle any request.

Database optimization is through query optimization, efficient ORM usage, connection pooling, and read replicas/ sharding.

 

Q13. How Do You Handle Concurrency in C# Applications?

C# interview questions and answers for 10 years’ experience often pose this question. Concurrency in C# is managed with different mechanisms depending on the specific requirements for synchronization and resource access. Key methods include using the lock statement, Monitor, SemaphoreSlim, async/await, and ConcurrentCollections.

Table comparing lock, Monitor, SemaphoreSlim, async/await, ConcurrentCollections

Mechanism	Description	Best For
lock	Provides exclusive access to a critical section of code. Only one thread can enter the locked block at a time	Simple, low-overhead synchronization of private object state
Monitor	A lower-level, more flexible version of lock with advanced features like Wait, Pulse, and PulseAll for complex thread coordination	Scenarios where threads need to wait for a specific condition or signal from another thread
SemaphoreSlim	Limits the number of threads that can concurrently access a resource, rather than just one	Throttling access to a limited pool of resources, like a database connection pool or API call limits
async/await	A non-blocking asynchronous programming pattern that yields control of a thread back to the thread pool while a task awaits an I/O operation (e.g., file access, network calls)	Improving application responsiveness and throughput in I/O-bound operations without blocking threads
ConcurrentCollections	Thread-safe collection classes (e.g., ConcurrentDictionary, ConcurrentQueue) that manage their own internal synchronization	Scenarios requiring shared data structures that are frequently accessed by multiple threads simultaneously

Q14. Explain Dependency Injection Containers in C# and Their Benefits

Dependency Injection (DI) containers in C# are software frameworks to automate managing dependencies in an application, promoting loosely coupled, testable, and maintainable code. The process is done by implementing the Inversion of Control (IoC) principle.

The container is responsible for creating and providing dependencies to objects, rather than the objects creating their own. Popular DI containers are Microsoft’s built-in DI container and Third-party containers.

The benefits of DI containers are:

• Loose Coupling: Classes depend on abstractions (interfaces) rather than concrete implementations. T
• Enhanced Testability: Unit testing is easy.
• Improved Maintainability and Flexibility: The centralized management of dependencies makes the codebase more organized and easier to maintain.
• Reduced Boilerplate Code: Containers automatically handle the complex process of creating instances and resolving entire object graphs
• Promotes SOLID Principles: DI is a direct application of the Dependency Inversion Principle and helps enforce the Single Responsibility Principle, leading to better architectural design.

Code snippet showing service registration and resolution in ASP.NET Core”

// ── Interfaces — define contracts, not implementations ─────────

public interface IOrderRepository
{
    Task<Order?>       GetByIdAsync(int id, CancellationToken ct = default);
    Task<List<Order>>  GetAllAsync(CancellationToken ct = default);
    Task<Order>        CreateAsync(OrderRequest req, CancellationToken ct = default);
}

public interface IEmailSender
{
    Task SendAsync(string to, string subject, string body);
}

public interface IOrderService
{
    Task<Order>  PlaceOrderAsync(OrderRequest req, CancellationToken ct = default);
    Task<Order?> GetOrderAsync(int id, CancellationToken ct = default);
}

Q15. What Is ref, out, and in Parameters?

The ref, out, and in keywords are parameter modifiers used to pass arguments by reference instead of by value, the default behavior. This means modifications inside the method affect the original variable outside the method.

Comparison table Parameter, Passed By, Must Initialize Before, Must Assign Inside Method

modifier	passed by	caller must initialize	method must assign	direction	typical use
value (default)	copy of value	yes	no	in only	read-only input; callee works on its own copy
ref	reference to original	yes	no	in + out	read and modify an existing variable in place
out	reference to original	no	yes — all paths	out only	return multiple values; caller declares, callee sets
in	read-only reference	yes	no — read only	in only	pass large structs cheaply without copying
ref readonly .NET 7+	read-only ref to original	yes	no — read only	in only	like in but caller explicitly opts in with ref
params	array copy	n/a — caller passes 0…N args	no	in only	variable-length argument lists; always last parameter
optional = default	copy of value	n/a — has default	no	in only	omittable args; default baked in at call site

void Scale(ref int factor)
{
    factor *= 2; // modifies caller's variable
}

int n = 5;
Scale(ref n); // n is now 10

Q16. What Are Extension Methods in C#?

Extension methods allow the addition of new methods to existing types without modifying the original type’s source code. They are defined as static methods of a static class, where the first parameter is preceded by the ‘this keyword’ to specify which type the method extends. Main components of an extension method:

• Static Class: The extension method must be declared within a static class.
• this Keyword on First Parameter: The first parameter of the method must be prefixed with the this keyword, indicating the type that the method will operate on. This is what makes it an “extension” of that type.
• Static Method: The method itself must be declared as static

Behavioral and Leadership Interview Questions With Answers

C# interview questions and answers for 10 years’ experience are about behavioural and leadership. Let us look at advanced C# interview questions and answers on behavioural and leadership.

Q17. How Do You Mentor Junior Developers?

To answer this C# interview question, you can say the following:

• I mentor junior developers through pair programming, constructive code reviews, and regular knowledge sharing
• I encourage them to think through problems themselves, and provide guidance when needed
• I help them follow best practices so they can become more confident and independent engineers

Common C# Interview Questions Based on Years of Experience

What Are C# Interview Questions for 10 Years Experience

• What are delegates and events in C#?
• How do you optimize performance in C# applications?
• What are parallel programming constructs in .NET?
• How do you design microservices using .NET?

What Are C# Interview Questions for 5 Years Experience

• What is the difference between abstract class and interface?
• What are generics and their advantages?
• What is LINQ and why is it used?
• What is method overloading and method overriding?
• What is polymorphism with an example?

What Are C# Interview Questions for 3 Years Experience

• What are value types and reference types?
• What are the four pillars of OOP?
• What is the difference between throw and throw ex?
• What are LINQ query syntax and method syntax?
• What is the difference between Task and Thread?

Ace Your Software Engineering Interviews with Expert Guidance

Landing a top software engineering role takes more than coding skills—it’s about showing them off the right way. The Software Engineering Interview Prep program by Interview Kickstart gives you in-depth training, personalized 1:1 coaching, and live sessions with FAANG+ instructors to help you master both the technical and interview-ready skills.

Practice in realistic mock interviews, get actionable feedback, and refine your approach to succeed under pressure. The program also supports your career growth with resume building, LinkedIn optimization, and personal branding guidance. Prepare smarter, build confidence, and step into interviews ready to land your dream role.

Conclusion

The C# interview questions and answers for experienced developers 2026 guide presented several important advanced C# interview questions and answers. The answers were supported by code snippets and flow diagrams where needed.

C# interview questions and answers for 10 years’ experience guide included topics on .NET Core, .NET framework, design of a high traffic REST API, among others. The advanced C# interview questions should be answered by discussing several key lateral and related topics.

Interviewers expect deep and insightful responses for the OOPS interview questions in C# for 10 years of experienced developers. You are expected to show your experience and knowledge of practical implementations and not just textbook definitions.

C# interview questions and answers for 10 years’ experience should reflect your deep expertise. Be prepared with several use cases, trade-offs, where things can go wrong, memory management, and optimization.

FAQs: C# Interview Questions for Experienced

Q1. What is the Common Language Runtime (CLR) in C#?

The Common Language Runtime (CLR) is the execution engine of the .NET Framework that runs C# programs. It manages memory allocation, garbage collection, exception handling, security, and code execution, allowing developers to focus on application logic while the runtime handles system-level tasks.

Q2. What is the difference between String and StringBuilder in C#?

In C#, the string is immutable, and its value cannot be changed after creation, so every modification creates a new object. StringBuilder is mutable, allowing the same object to be modified without creating new ones, making it more efficient for frequent string changes.

Q3. Where can I find C# Interview Questions and Answers PDF?

You can read our C# interview questions guide to learn the commonly asked questions and the best ways to answer them.

Q4. Where can I find C# interview questions on GitHub?

The following are some of the popular and widely followed C# interview questions on GitHub

• C# Interview Questions & Answers¹
• C# Interview-Questions²

Q5. How do you explain exception handling in C#?

Exception handling in C# is used to handle runtime errors using try, catch, finally, and throw blocks. It allows the program to manage errors gracefully without crashing and ensures proper cleanup of resources.

Q6. What do interviewers look for in experienced C# developers?

Interviewers look for candidates with a deep understanding of async, memory management, design patterns, system design ability, and clean coding practices.

References

1. GitHub – kansiris
2. GitHub – rcallaby

Recommended Reads:

• Top C# Coding Interview Questions and Answers You Need to Prepare
• Top Object-oriented Programming Interview Questions in C# and C++
• Top 25+ OOPS Interview Questions for Experienced Programmers
• Coding Interview Questions for Software Engineers: Ace FAANG in 2026