The Iterator Pattern allows traversing collections without exposing their internal structure. In this article, we discuss when and why to use Iterator, how it separates traversal logic from the collection, and how you can correctly implement it in C# for cleaner, more extensible, and testable code.
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The Interpreter Pattern is a behavioral design pattern that allows the interpretation and evaluation of expressions defined by a simple grammar. It is useful for rule engines, mathematical expressions, filters, and DSLs in .NET applications.
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The Command Pattern transforms actions into independent objects, allowing complete decoupling between the initiator of a request and the execution logic. It is ideal for undo/redo, command queues, macros, and extensible architectures.
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The TIOBE Index analysis for December 2025 highlights the continued dominance of Python, the impressive growth of the C language, and the remarkable rise of the R language in the top 10, in a month with interesting changes in the programming languages ranking.
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The Chain of Responsibility pattern allows processing a request through a chain of handlers, each having the chance to handle it or delegate it further. It is ideal for validations, pipelines, sequential processing, and flexible systems where the logic can be extended without affecting the existing code.
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The Proxy Pattern allows control over access to a real object by introducing an intermediary. It is ideal for scenarios such as lazy loading, security, caching, or optimizing access to costly resources.
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A clear guide on the Flyweight Pattern, explaining how you can reduce memory consumption by reusing common objects in .NET applications.
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A clear and practical article about the Facade Pattern in .NET, explaining how we can simplify interaction with complex subsystems through a unified and easy-to-use interface.
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