RFR: 8349373: Support JavaFX preview features [v5]

[Kevin Rushforth]

On Fri, 14 Mar 2025 16:21:22 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> This PR contains a definition of preview features for JavaFX, as well as a helper class to verify that an application has opted into preview features.
>
> Michael Strauß has updated the pull request incrementally with one additional commit since the last revision:
> 
>   rename system property

I note one more place (in the docs for an internal method) where it still says "Banner".

modules/javafx.base/src/main/java/com/sun/javafx/PreviewFeature.java line 59:

> 57:      * Verifies that preview features are enabled, and throws an exception otherwise.
> 58:      * <p>
> 59:      * Unless suppressed with the {@code javafx.suppressPreviewBanner=true} system property, this method

Banner --> Warning

-------------

Marked as reviewed by kcr (Lead).

PR Review: https://git.openjdk.org/jfx/pull/1359#pullrequestreview-2686822170
PR Review Comment: https://git.openjdk.org/jfx/pull/1359#discussion_r1996277124