A few classes in `jdk.internal.util.xml.impl` package have non-final fields which could easily be marked `final`.
------------- Commit messages: - [PATCH] Make fields final in jdk.internal.util.xml.impl package Changes: https://git.openjdk.org/jdk/pull/15691/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15691&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8320400 Stats: 38 lines in 7 files changed: 0 ins; 0 del; 38 mod Patch: https://git.openjdk.org/jdk/pull/15691.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15691/head:pull/15691 PR: https://git.openjdk.org/jdk/pull/15691
