Refactoring `java.time.ZoneId` class to be a sealed class. A CSR has also been drafted.
------------- Commit messages: - 8282131: java.time.ZoneId should be a sealed abstract class Changes: https://git.openjdk.java.net/jdk/pull/7625/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7625&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8282131 Stats: 10 lines in 1 file changed: 0 ins; 4 del; 6 mod Patch: https://git.openjdk.java.net/jdk/pull/7625.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/7625/head:pull/7625 PR: https://git.openjdk.java.net/jdk/pull/7625
