JDK-8173067 : Release Note: New JDK Versioning Scheme
  • Type: Sub-task
  • Component: core-libs
  • Affected Version: 9
  • Priority: P4
  • Status: Closed
  • Resolution: Delivered
  • Submitted: 2017-01-19
  • Updated: 2017-09-22
  • Resolved: 2017-04-27
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JDK 9
9Resolved
Description
JDK 9 uses a new version string format.  The most notable changes are the removal of the ���1.��� from the beginning of the version string and the use of 3 or more separate elements to specify major, minor, and security updates.  All code that parses the value of the system properties `java.version`, `java.specification.version`, or `java.vm.specification.version` should be examined to ensure that it works with the new scheme. Maintainers of code that parses these properties should also be aware of the new `Runtime.version()` API.

Details for the new version string format can be found in  [JEP 223: New Version-String Scheme](http://openjdk.java.net/jeps/223).