Field PropertyEditorSupport.listeners is accessed only under `synchronized(this)`. It means extra synchronization by Vector is not needed.
------------- Commit messages: - [PATCH] Unnecessary Vector usage in PropertyEditorSupport Changes: https://git.openjdk.org/jdk/pull/10331/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10331&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8293984 Stats: 10 lines in 1 file changed: 0 ins; 0 del; 10 mod Patch: https://git.openjdk.org/jdk/pull/10331.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10331/head:pull/10331 PR: https://git.openjdk.org/jdk/pull/10331
