Update javadoc examples to use try-with-resources and use javadoc snippet tags. The examples in ObjectInputStream and ObjectOutputStream get an update with try-with-resources and use of javadoc snippet tags. ObjectInputFilter is updated with use of snippet tags instead of html markup.
------------- Commit messages: - 4958969: ObjectOutputStream example leads to non-working code Changes: https://git.openjdk.org/jdk20/pull/59/files Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=59&range=00 Issue: https://bugs.openjdk.org/browse/JDK-4958969 Stats: 61 lines in 3 files changed: 1 ins; 3 del; 57 mod Patch: https://git.openjdk.org/jdk20/pull/59.diff Fetch: git fetch https://git.openjdk.org/jdk20 pull/59/head:pull/59 PR: https://git.openjdk.org/jdk20/pull/59
