Explore the world of cross-platform UI development with JavaFX in this comprehensive talk by Java Champion Johan Vos. Discover how JavaFX enables the creation of modern, platform-independent user interfaces for desktop, mobile, and embedded devices using Java. Learn about the structure, components, and roadmap of the OpenJFX project, and gain insights into JavaFX's integration with native devices. Delve into topics such as JavaFX Hello World, JavaFX in IntelliJ, FXML, scene graph-based model, and mobile landscape. Understand the role of Gluon Substrate in precompiled code and explore various JavaFX components and applications. This session provides a thorough overview of JavaFX's capabilities and its potential for cross-platform development, making it essential for Java developers looking to expand their UI development skills.