We faced several challenges while implementing JavaFX. Its component-based structure and event-driven model require a different approach compared to simpler frameworks like Swing, making it complex to grasp initially. We had to work with the scene graph architecture and CSS-based styling, which added layers of complexity, especially when trying to create responsive designs. Integrating JavaFX with other technologies, such as databases or REST APIs, also posed issues. Additionally, deploying JavaFX across multiple platforms wasn’t straightforward due to compatibility concerns. The learning curve for creating dynamic, visually appealing UIs was steep, demanding time and patience to master.