This PR fixes minor Javadoc typos in a few `java.base` classes. Extra curly braces have been sneaking in.
------------- Commit messages: - Fix minor Javadoc typos. Changes: https://git.openjdk.org/jdk/pull/24022/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24022&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8351897 Stats: 12 lines in 5 files changed: 0 ins; 0 del; 12 mod Patch: https://git.openjdk.org/jdk/pull/24022.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24022/head:pull/24022 PR: https://git.openjdk.org/jdk/pull/24022
