C# Short Course

Learn C#, the versatile programming language that powers everything from Unity game development to enterprise applications on the .NET platform. C# combines the power of C++ with the elegance of modern language features like LINQ, async/await, and strong object-oriented design. This course covers classes, interfaces, generics, LINQ queries, and asynchronous programming patterns.. Master c# through bite-sized, swipeable learning tiles — designed for busy people who want to learn on the go.

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About This C# Course

This C# short course on SkillTiles breaks down everything you need to know into 10 structured milestones, each packed with bite-sized learning tiles you can swipe through in under 15 seconds each.

Whether you're a complete beginner or looking to refresh your knowledge, this online c# course uses AI-powered content to adapt to your learning pace. Each tile delivers a focused concept, example, or quiz — making it perfect for commutes, coffee breaks, or quick study sessions.

Covering 70 key topics across 10 milestones, this course takes you from foundations to practical application. Earn badges as you complete each milestone and track your progress on your learning dashboard.

Course Curriculum

C# Essentials

OOP, LINQ, and async/await

classes and objectsproperties and access modifiersinterfaces and abstract classesLINQ basicsasync/await patterngenericsexception handling

OOP in C#

Classes, interfaces, and inheritance

classes and objectsproperties and auto-propertiesinheritance and polymorphisminterfacesabstract classesaccess modifiersrecords and structs

Collections & LINQ

Work with data efficiently

List, Dictionary, HashSetLINQ query syntaxLINQ method syntaxlambda expressionsIEnumerable and IQueryablegrouping and joiningdeferred execution

Async Programming

Task-based asynchronous patterns

async and awaitTask and Task<T>ConfigureAwaitparallel processingcancellation tokensasync streamscommon async pitfalls

Generics & Advanced Types

Write flexible, type-safe code

generic classes and methodsconstraints (where)covariance and contravariancenullable reference typespattern matchingswitch expressionsspans and Memory<T>

.NET Framework

Build apps with .NET

.NET project structuredependency injectionconfiguration and optionslogging with ILoggermiddleware pipelineEntity Framework Core basicsminimal APIs

Web with ASP.NET

Build web APIs and apps

ASP.NET Core MVC basicsWeb API controllersRazor PagesBlazor overviewauthentication and authorizationmodel binding and validationdeployment options

Testing C# Code

Write reliable tests

xUnit basicsNUnit vs xUnit vs MSTestmocking with MoqFluentAssertionsintegration testingtest organization patternscode coverage tools

Design Patterns in C#

Gang of Four patterns in practice

factory patternstrategy patternobserver patterndecorator patternrepository patternmediator with MediatRCQRS basics

Advanced C#

Expert-level C# features

source generatorsexpression treesreflection and attributesunsafe code and pointersperformance with BenchmarkDotNetmemory optimizationnew C# 12 features