C

The Singleton pattern ensures a class has only one instance and provides a global point of access to it. This is useful for managing resources like configuration settings, logging, or database connections where multiple instances would be detrimental. The C implementation utilizes a static pointer to the single …

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The Prototype pattern creates new objects by cloning an existing object, known as the prototype. This avoids the complexity of explicit class instantiation, especially useful when object creation is expensive or when the precise object types needed are determined at runtime. This C implementation uses a common trick: …

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The Factory Method pattern defines an interface for creating an object, but lets subclasses decide which class to instantiate. It promotes loose coupling by relieving the client of direct object creation responsibilities. This implementation uses function pointers to achieve the factory method effect in C, as C …

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The Builder pattern is a creational design pattern that lets you construct complex objects step by step. The pattern allows for the separation of construction from representation, making it suitable when creating an object requires many optional parameters or complex initialization logic. This implementation uses a …

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The Abstract Factory pattern provides an interface for creating families of related or dependent objects without specifying their concrete classes. It’s a “factory of factories,” allowing you to switch between different “looks and feels” or object sets easily. This example demonstrates …

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The Peer-to-Peer (P2P) pattern distributes tasks or data among multiple independent peers, rather than relying on a central server. Each peer acts as both a client and a server, sharing resources directly with other peers. This example simulates a simple P2P network for file sharing. Each process represents a peer, …

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