Design Patterns in C#: Singleton
Learn everything there is to know about the Singleton Design Pattern
Amichai Mantinband is a Software Engineer at Microsoft and a .NET content creator.
He works on large-scale, distributed systems within Microsoft Office, serving over 100 million daily users. He is a speaker at official .NET conferences, and within Microsoft, he authors and teaches software architecture courses.
Amichai is the author of NuGet packages ErrorOr & Throw and has a .NET programming YouTube channel covering advanced topics such as design patterns, architecture, and best practices.
Learn everything there is to know about the Singleton Design Pattern
Amichai Mantinband
Learn everything there is to know about the Abstract Factory Design Pattern
Amichai Mantinband
Learn everything there is to know about the Factory Method Design Pattern
Amichai Mantinband
Learn everything there is to know about the Builder Design Pattern
Amichai Mantinband
Learn everything there is to know about the Flyweight Design Pattern
Amichai Mantinband
Learn everything there is to know about the Prototype Design Pattern
Amichai Mantinband
Learn everything there is to know about the Adapter Design Pattern
Amichai Mantinband
Learn everything there is to know about the Bridge Design Pattern
Amichai Mantinband
Learn everything there is to know about the Composite Design Pattern
Amichai Mantinband
Learn everything there is to know about the Decorator Design Pattern
Amichai Mantinband
Learn everything there is to know about the Facade Design Pattern
Amichai Mantinband
Learn everything there is to know about the Proxy Design Pattern
Amichai Mantinband
Learn everything there is to know about the Mediator Design Pattern
Amichai Mantinband
Learn everything there is to know about the Strategy Design Pattern
Amichai Mantinband
Learn everything there is to know about the Chain Of Responsibility Design Pattern
Amichai Mantinband
Learn everything there is to know about the Command Design Pattern
Amichai Mantinband
Learn everything there is to know about the Interpreter Design Pattern
Amichai Mantinband
Learn everything there is to know about the Iterator Design Pattern
Amichai Mantinband
Learn everything there is to know about the Memento Design Pattern
Amichai Mantinband
Learn everything there is to know about the Observer Design Pattern
Amichai Mantinband
Learn everything there is to know about the State Design Pattern
Amichai Mantinband
Learn everything there is to know about the Template Method Design Pattern
Amichai Mantinband
Learn everything there is to know about the Visitor Design Pattern
Amichai Mantinband
Dive deeper into your Domain-Driven Design journey with Amichai on Dometrain
Amichai Mantinband
Start your Domain-Driven Design journey with Amichai on Dometrain
Amichai Mantinband
Start your Clean Architecture in .NET journey with Amichai on Dometrain
Amichai Mantinband
Dive deep into the advanced practices of Clean Architecture in .NET
Amichai Mantinband From time to time we might reach out to let you know about new courses or exclusive discounts. Sign up to our mailing list so you don't miss out!
No spamming, pinky promise.
© 2025 Dometrain. All rights reserved.
This guide covers every new C# 14 feature, explains its benefits, and provides practical code examples to help you navigate how you can use them.
Learn More
Build a Retrieval-Augmented Generation (RAG) chatbot that can answer questions using your data.
Learn MoreLearn how to work with Large Language Models (LLMs). Understand the fundamentals of how GPT works, the transformer architecture, and master prompt engineering techniques to build AI agents.
Learn More
Enable enterprise-grade real-time communication for your web apps with SignalR.
Learn More
Master solution architecture and turn business needs into scalable, maintainable systems.
Learn More
A step-by-step process to migrate ASP.NET Web APIs from .NET Framework to ASP.NET Core.
Learn More
Let's make the hardest thing in programming easy for .NET software engineers.
Learn More
Learn how to test any codebase in .NET with the latest version of xUnit, the industry-standard testing library.
Learn MoreThis walkthrough is your hands-on entry point to create a basic C# console application that talks to ChatGPT using the OpenAI API.
Learn More