The article explains how the Command pattern encapsulates a request as an object, enabling storage, queuing, undo/redo, and decoupling between request senders and executors, with concrete Java examples and guidance on when the pattern is appropriate.
This article introduces the Command pattern, describing how encapsulating each action as a command object decouples callers from executors, and demonstrates its use through real‑world examples like remote controls and editors, followed by a complete Java implementation, common business scenarios, and a brief pros‑cons analysis.
This article explains the Dubbo consumer initialization workflow, detailing how ReferenceConfig creates proxies, how service URLs are registered with Zookeeper, the steps to obtain Invoker objects via Protocol, and how ProxyFactory generates client-side service proxies, including code examples and asynchronous handling.
