5th of 11 Questions.
Chain of Responsibility Pattern
The Chain of Responsibility pattern passes a request along a chain of handlers, allowing multiple objects to handle the request without coupling the sender to a specific receiver.
The Chain of Responsibility pattern creates a chain of receiver objects for a request. The request is passed along the chain until an object handles it. This pattern decouples the sender of a request from its receivers, gives multiple objects a chance to handle the request, and allows the chain to be composed dynamically. It's commonly used in middleware pipelines, event handling systems, and validation chains.
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