Behavioral Design Patterns in C++ - Introduction-Chain Of Responsibility

The video tutorial covers the Chain of Responsibility design pattern, which allows multiple objects to handle a request, reducing coupling between the sender and receiver. The pattern forms a chain of handlers, where each handler has a link to its successor. The request is passed along the chain until a handler processes it. The tutorial explains the pattern's intent, structure, and implementation, including handling unhandled requests using a null object.

Explain how a request is processed in the Chain of Responsibility pattern.

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What is the significance of the null object in the Chain of Responsibility pattern?

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