[jdk20] RFR: 4958969: ObjectOutputStream example leads to non-working code [v2]

[Roger Riggs]

> 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.

Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:

  Simplify ObjectInputExample based on review comments.

-------------

Changes:
  - all: https://git.openjdk.org/jdk20/pull/59/files
  - new: https://git.openjdk.org/jdk20/pull/59/files/c27b0e5a..0a5fcbd4

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk20&pr=59&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk20&pr=59&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 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