On Thu, 18 Nov 2021 00:54:30 GMT, Nir Lisker <nlis...@openjdk.org> wrote:
>> This work improves the performance of `MultipleSelectionModel` over large >> data sets by caching some values and avoiding unnecessary calls to >> `SelectedIndicesList#size`. It further improves the performance by reducing >> the number of iterations required to find the index of an element in the >> BitSet. >> >> The work is based on [an abandoned >> patch](https://github.com/openjdk/jfx/pull/127) submitted by @yososs >> >> There are currently 2 manual tests for this fix. > > modules/javafx.controls/src/main/java/com/sun/javafx/scene/control/ReadOnlyUnbackedObservableList.java > line 193: > >> 191: arr[i] = get(i); >> 192: } >> 193: return arr; > > Have you tried `return stream().toArray();`? I haven't measured how `stream().toArray()` compare to a for..loop, but I inherently try to avoid streams in such scenarios. ------------- PR: https://git.openjdk.java.net/jfx/pull/673