Please review this patch that extends the javadoc of `UnsupportedOperationException` no-arg constructor, to clear up that the detail message is null.
------------- Commit messages: - improve UOE javadoc Changes: https://git.openjdk.org/jdk/pull/26533/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26533&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8358618 Stats: 6 lines in 2 files changed: 2 ins; 0 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/26533.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/26533/head:pull/26533 PR: https://git.openjdk.org/jdk/pull/26533