JavaFX is a Java library used to build Rich Internet Applications. The applications written using this library can run consistently across multiple platforms. The applications developed using JavaFX can run on various devices such as Desktop Computers, Mobile Phones, TVs, Tablets, etc.To develop GUI Applications using Java programming language, the programmers rely on libraries such as Advanced Windowing Toolkit and Swings. After the advent of JavaFX, these Java programmers can now develop GUI applications effectively with rich content. In this tutorial, we will discuss all the necessary elements of JavaFX that you can use to develop effective Rich Internet Applications.