Using JavaFX in Nashorn - Scripting in Java: Integrating with Groovy and JavaScript - page 299

Chapter 11

Using JavaFX in Nashorn

In this chapter, you will learn:

jjs command-line tool

• The JavaFX support in the

init() , start() , and stop()
methods of the JavaFX Application class in scripts

• Providing an implementation for the

• How to load and use JavaFX packages and classes using the

predefined scripts

• Creating and launching a simple JavaFX application using a

Nashorn script

Throughout this chapter, it is assumed that you have beginner-level experience in
JavaFX 8. If you do not have experience in JavaFX, please learn JavaFX before reading
this chapter.

JavaFX Support in jjs
The jjs command-line tool lets you launch JavaFX applications created in Nashorn
scripts. You need to use the -fx option with the jjs tool to run a script as a JavaFX
application. The following command runs a script stored in the myfxapp.js file as a
JavaFX application:

jjs -fx myfxapp.js

Structure of JavaFX Applications in Scripts
In a JavaFX application, you override the following three methods of the Application
class to manage the lifecycle of the application:

• The

init() method

• The

start() method

• The

stop() method