This is a partial implementation of JEP 495 - adjustments of the JEP metadata in `PreviewFeature`. There are no language changes associated with this JEP. Changes to the `java.io.IO` class are covered by https://github.com/openjdk/jdk/pull/21693.
------------- Commit messages: - 8335991: Implement Simple Source Files and Instance Main Methods (Fourth Preview) Changes: https://git.openjdk.org/jdk/pull/21787/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21787&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8335991 Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/21787.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/21787/head:pull/21787 PR: https://git.openjdk.org/jdk/pull/21787
