Added missing `@since` tag to `Sockets.java` -------------
Commit messages: - updated copyright year - added missing @since tag to sockets class Changes: https://git.openjdk.org/jdk/pull/14756/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=14756&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8311001 Stats: 3 lines in 1 file changed: 2 ins; 0 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/14756.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/14756/head:pull/14756 PR: https://git.openjdk.org/jdk/pull/14756
