TLDR The Command Pattern in Java is a behavioral design pattern that encapsulates a request as an object, decoupling the sender from the receiver. It offers flexibility, easy addition of new commands, and supports undo/redo functionality. Common applications include GUI buttons, transaction management, and macro recording. The post provides an example implementation with a light control system, as well as testing scenarios for command execution and undo functionality.
🔗 https://medium.com/@spacolino/simplifying-java-code-with-the-command-pattern-6cecc7d35b13