Design Patterns: Reusable Solutions to Recurring Problems
Design Patterns: Reusable Solutions to Recurring Problems A practical guide to classic design patterns in C#/.NET — Factory, Singleton, Repository, Strategy, and Mediator — covering what problem each one actually solves, working implementations, common .NET-specific variations, and honest guidance on when each pattern earns its complexity versus when it's unnecessary ceremony. Table of Contents…
The Factory pattern offers a solution to object creation logic that does not belong at the call site, allowing for centralized creation of objects based on specific criteria such as region. The pattern aims to avoid scattering construction details across multiple call sites and instead centralizes the logic in one place. An example of the Factory pattern in C#/.NET is provided, showcasing the IShippingProviderFactory interface and the ShippingProviderFactory class that implements the creation logic.
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