Programming languages1:1 mentoring

C# Programming

Learn C# from your first program to object-oriented code, LINQ, files and async, with a 1:1 mentor at your pace.

Level:: Beginner to advanced
Format:: 1:1 online mentoring

Free, no-obligation chat · Affordable plans that fit your budget · Start this week

1:1 personal attentionOne mentor, one student, at your pace.
Flexible timingsSessions that fit your week and time zone.
Affordable plansPlans that fit your budget.
Practise between sessionsShort problems that build confidence.

About this course

Learn C# Programming online

C# is used for business software, web APIs with ASP.NET Core, Windows apps and Unity games, and it appears in school and university courses. Beginners often struggle with classes and objects, the difference between value and reference types, and reading long compiler messages.

This course follows the standard C# curriculum used in university and industry training: fundamentals, methods, arrays and strings, object-oriented programming, collections and generics, exceptions and files, LINQ and modern C#, and asynchronous programming. Each module lists its topics and what you will be able to do at the end.

Learn with an affordable 1:1 mentor who explains each idea with short examples and reviews your code with you. Self-study lessons on MentorNxt exist only for Java and Python, so this course is taught in live 1:1 sessions. Message us on WhatsApp or email, or fill in the short form, for a free, no-obligation chat. We will suggest a plan that fits your budget and flexible timings, and you can start this week.

Who this course is for

Beginners who want a structured first language
School and university students taking a C# course or exam
Aspiring Unity game developers
Developers moving to .NET from Java or Python
Learners preparing for .NET backend roles

Outcomes

What you'll learn

Write, build and run C# programs with the .NET SDK or Visual Studio
Use variables, types, conditions, loops, methods, arrays and strings correctly
Design classes with properties, encapsulation, inheritance and interfaces
Choose between List, Dictionary, HashSet and Queue and use generics
Handle exceptions and read and write text files
Query data with LINQ, lambdas and records
Explain async and await at a beginner level
Build and explain small console projects

Skills you'll gain

.NET 8
C# 12
Object-oriented design
Collections and generics
LINQ
Exception handling
File I/O
Async and await
Visual Studio
Debugging
Unit testing basics

Detailed syllabus

C# Programming syllabus

Every module lists its topics and what you will be able to do. Your mentor plans sessions around them and your own goals.

Module 1
Getting started with C#
Tools, structure and running your first program.
- What C# and .NET are
- Installing the .NET SDK and an editor
- Structure of a program and top-level statements
- Building and running with dotnet
- Console input and output
- Reading compiler errors
By the end of this module you can
- Set up .NET and run your first program
- Explain what the compiler and runtime each do
Covered in 1:1 mentoring sessions
Module 2
Variables, types and operators
Storing values and combining them.
- Built-in types: int, double, bool, char, string
- var and type inference
- Constants
- Arithmetic, comparison and logical operators
- Type conversion and parsing
- Nullable types
By the end of this module you can
- Choose the right type for a value
- Convert text input safely into numbers
Covered in 1:1 mentoring sessions
Module 3
Control flow
Making decisions and repeating work.
- if, else if and else
- switch statements and switch expressions
- for, while and do-while loops
- foreach
- break and continue
- Tracing loops by hand
By the end of this module you can
- Write programs that branch and loop correctly
- Trace a loop and fix off-by-one errors
Covered in 1:1 mentoring sessions
Module 4
Methods, arrays and strings
Reusable code and working with text and lists of values.
- Defining and calling methods
- Parameters, return values and optional arguments
- ref and out parameters
- Arrays and multidimensional arrays
- String methods and interpolation
- StringBuilder
By the end of this module you can
- Split a problem into small methods
- Process arrays and strings without index errors
Covered in 1:1 mentoring sessions
Module 5
Classes and objects
The core of object-oriented programming.
- Classes, objects and references
- Fields, properties and constructors
- Encapsulation and access modifiers
- static members
- Structs versus classes
- Records
By the end of this module you can
- Design small classes that keep their data valid
- Explain value types versus reference types
Covered in 1:1 mentoring sessions
Module 6
Inheritance, interfaces and polymorphism
Reusing and extending code safely.
- Inheritance and base
- virtual and override
- Abstract classes
- Interfaces
- Polymorphism
- Composition versus inheritance
- Enums
By the end of this module you can
- Use interfaces and abstract classes to design flexible programs
- Predict which method runs in a polymorphic call
Covered in 1:1 mentoring sessions
Module 7
Collections and generics
Storing and organising data.
- List<T> and arrays
- Dictionary<TKey,TValue>
- HashSet<T>
- Queue<T> and Stack<T>
- Generics
- Sorting with IComparable and Comparison
By the end of this module you can
- Pick the right collection for a task
- Write a simple generic class or method
Covered in 1:1 mentoring sessions
Module 8
Exceptions and files
Handling errors and working with files.
- try, catch and finally
- Throwing and creating exceptions
- using statements and IDisposable
- Reading and writing text files
- Parsing CSV data
- JSON with System.Text.Json
By the end of this module you can
- Write programs that fail with clear messages
- Load data from a file, process it and save the result
Covered in 1:1 mentoring sessions
Module 9
LINQ, lambdas and modern C#
Functional-style data processing.
- Delegates and lambdas
- LINQ: Where, Select, OrderBy, GroupBy
- Pattern matching
- Null-conditional and null-coalescing operators
- Records and init-only properties
- Extension methods
By the end of this module you can
- Rewrite loops as clear LINQ queries where it helps
- Use pattern matching and records in everyday code
Covered in 1:1 mentoring sessions
Module 10
Async programming and next steps
Running work without blocking, and where C# can take you.
- Tasks
- async and await
- Threads at a glance
- Unit tests with xUnit
- Git and GitHub
- Next steps: ASP.NET Core, Unity
By the end of this module you can
- Explain what async and await do
- Choose your next path: web APIs, games or desktop apps
Covered in 1:1 mentoring sessions

Ways to learn

How you can learn C# Programming

C# Programming mentor, 1:1 online

A mentor who knows this course plans sessions around your goal, explains each idea with fresh examples and checks your understanding. Personal attention, flexible timings in your time zone and affordable plans that fit your budget.

Talk to our team

How it works

Your learning journey

Four simple steps to start C# Programming with a mentor. A real person replies to you; there is no booking system.

Step 1: Talk to us
Message us on WhatsApp or email, or fill in the short form. The first chat is free, with no obligation.
Step 2: Get your plan
We listen to your goal, level and deadlines, then suggest a plan that fits your budget and timings.
Step 3: Learn with your mentor
Online 1:1 sessions with a mentor who knows your course, explains clearly and checks your understanding.
Step 4: Practise & track progress
Keep going between sessions with practice, and watch your confidence grow week by week.

Learn by doing

Projects and practice

Student grade manager
A console app with classes and collections that calculates averages and saves results to a file.
Library system
Books, members and loans modelled with inheritance and interfaces, with search and sorting.
Expense tracker with LINQ
Load expenses from a file and use LINQ to group spending by category and month.
Simple console game
A text adventure or number game that uses classes, enums and a game loop.

Your progress

What you'll be able to do

Milestones from the start, middle and end of the syllabus.

Set up .NET and run your first program
Early on
Use interfaces and abstract classes to design flexible programs
Halfway
Explain what async and await do
By the end

FAQs

C# Programming: frequently asked questions

Is there a self-study option for C# Programming?

Not yet. MentorNxt's free self-study lessons cover Java and Python only, so C# Programming is taught through 1:1 mentoring. Your mentor plans sessions around your goals, explains with fresh examples and reviews your code with you.

My school or university uses C#. Can a mentor help with my course?

Yes. Share your course outline and upcoming topics. Your mentor explains the concepts with new examples and practice so you can tackle coursework and exams confidently. Mentors teach and explain; they never complete graded work for students.

Do I need Windows to learn C#?

No. The .NET SDK runs on Windows, macOS and Linux, and mentors can set you up with Visual Studio, Visual Studio Code or Rider in the first session.

Is C# useful for Unity game development?

Yes. Unity scripts are written in C#, so the fundamentals, classes and collections in this course carry straight over. Ask about a game-focused plan when you get in touch.

How much does mentoring cost?

1:1 mentoring is personal online tutoring and is affordable, with plans that fit your budget. Tell us your goal and how often you would like sessions, and our team will suggest an option that works for you in a free, no-obligation chat.

How do I get started?

Message us on WhatsApp or email, or fill in the short form on this page. Our team replies, talks through your goal and level, and arranges a mentor at flexible timings in your time zone. You can start this week.

Free, no-obligation chat

Talk to our team about C# Programming

Tell us what you need. Our support team replies within one working day, by email or WhatsApp, whichever you prefer, and arranges your mentor.

Prefer to talk first?

Message the support team directly. We usually reply the same day.

Chat on WhatsApp Email us

Our mentors teach and explain. They never complete graded work, tests or assessments for students.

Keep going

Syllabus references

Last reviewed9 November 2026

Ready to start C# Programming?

Message us on WhatsApp or email, or fill in the short form. Our team replies with a plan that fits your goal and budget, and you can start this week.

Fill in the short form

WhatsApp Email us

Talk to us about a mentor

WhatsApp Email us

Learn C# Programming online

Who this course is for

What you'll learn

Skills you'll gain

C# Programming syllabus

Getting started with C#

Variables, types and operators

Control flow

Methods, arrays and strings

Classes and objects

Inheritance, interfaces and polymorphism

Collections and generics

Exceptions and files

LINQ, lambdas and modern C#

Async programming and next steps

How you can learn C# Programming

C# Programming mentor, 1:1 online

Your learning journey

Step 1: Talk to us

Step 2: Get your plan

Step 3: Learn with your mentor

Step 4: Practise & track progress

Projects and practice

Student grade manager

Library system

Expense tracker with LINQ

Simple console game

What you'll be able to do

C# Programming: frequently asked questions

Talk to our team about C# Programming

Related courses

Java Programming

Object-Oriented Programming

Game Development with Unity (C#)

Software Engineering

SQL and Databases

Programming for Beginners

Syllabus references

Ready to start C# Programming?

Learn C# Programming online

Who this course is for

What you'll learn

Skills you'll gain

C# Programming syllabus

Getting started with C#

Variables, types and operators

Control flow

Methods, arrays and strings

Classes and objects

Inheritance, interfaces and polymorphism

Collections and generics

Exceptions and files

LINQ, lambdas and modern C#

Async programming and next steps

How you can learn C# Programming

C# Programming mentor, 1:1 online

Your learning journey

Step 1: Talk to us

Step 2: Get your plan

Step 3: Learn with your mentor

Step 4: Practise & track progress

Projects and practice

Student grade manager

Library system

Expense tracker with LINQ

Simple console game

What you'll be able to do

C# Programming: frequently asked questions

Talk to our team about C# Programming

Related courses

Java Programming

Object-Oriented Programming

Game Development with Unity (C#)

Software Engineering

SQL and Databases

Programming for Beginners

Syllabus references

Ready to start C# Programming?