Adding JavaFX 17.0.2 into existing Java 11 Project IntelliJ IDEA

Question

As part of a uni project, I'm trying to add a GUI to an existing Java project using JavaFX. The initial project used Java 11 and the JavaFX version I have is 17.0.2 but I just keep getting a lot of different errors depending on what I do. I'm using IntelliJ IDEA

Does anyone know how to add JavaFX to existing projects?

My lecturer is no help at all

You are probably going to need to do a new JavaFX project. Just use the ideas and classes in the new project. You can probably improve the classes by using properties instead of regular variables. — SedJ601
– SedJ601, Commented Feb 3, 2022 at 14:33
"I just keep getting a lot of different errors"... you should mention the errors you are getting.. otherwise nobody can predict what you are doing. — Sai Dandem
– Sai Dandem, Commented Feb 3, 2022 at 23:58

Basil Bourque · Accepted Answer · 2022-02-03 23:20:19Z

1

Make a new project

I suggest setting up a new JavaFX-focused project.

IntelliJ offers a project template expressly for that purpose. See this documentation page, Create a new JavaFX project.

Then move over any existing code you have. You can do so by drag-and-drop into the project window.

You will find the OpenJFX library has been included as a dependency. OpenJFX is an open-source implementation of JavaFX. OpenJFX is organized as a sub-project on the OpenJDK project, co-led by Gluon and Oracle.

edited Feb 3, 2022 at 23:20

answered Feb 3, 2022 at 15:53

Basil Bourque

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2 Comments

Wpitchy Over a year ago

Thanks for this. I've tried this and now get an error saying:

package java.awt is not visible   (package java.awt is declared in module java.desktop, but module maptrix.wiseguide does not read it).

Do you have any ideas what this is?

Basil Bourque Over a year ago

@Wpitchy I suggest you write another Question on that specific issue, after searching Stack Overflow thoroughly.

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