Description: Design patterns in JavaFX are reusable and proven solutions to common problems that arise in the development of graphical user interface (GUI) applications. These patterns allow developers to structure their code more efficiently, facilitating the maintainability and scalability of applications. JavaFX, as a modern platform for developing desktop and web applications, greatly benefits from the implementation of these patterns, which range from separation of concerns to application state management. Among the most commonly used patterns in JavaFX are Model-View-Controller (MVC), which helps decouple business logic from the user interface, and the Observer Pattern, which allows interface components to automatically update in response to changes in the data model. The adoption of these patterns not only improves code quality but also promotes collaboration among development teams, as it provides a common language and framework for addressing design issues. In summary, design patterns in JavaFX are essential for building rich internet applications, optimizing the development process, and enhancing the end-user experience.