Noticed this refactoring opportunity while doing some other work in the area.
------------- Commit messages: - JDK-8342863: Use pattern matching for instanceof in equals methods of wrapper classes Changes: https://git.openjdk.org/jdk/pull/21652/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21652&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8342863 Stats: 17 lines in 8 files changed: 0 ins; 1 del; 16 mod Patch: https://git.openjdk.org/jdk/pull/21652.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21652/head:pull/21652 PR: https://git.openjdk.org/jdk/pull/21652
