Java 9 should be fully released for general availability on 21 September 2017, after chief architect at the Java Platform Group
Overview of What’s New in JDK 9
Java Platform, Standard Edition 9 is a major feature release. The following summarizes features and enhancements in Java SE 9 and in JDK 9, Oracle’s implementation of Java SE 9.
A JDK Enhancement Proposal (JEP) is a proposal to design and implement a nontrivial change to the JDK. See JEP 1: JDK Enhancement-Proposal & Roadmap Process. A Java Specification Request (JSR) describes proposed and final specifications for the Java platform. See JSR Overview.
A few very small language changes are included in Java SE 9.
|JEP 213: Milling Project Coin||Identifies a few small changes:
See Java Language Changes for Java SE 9 in Java Platform, Standard Edition Java Language Updates.
Java Platform, Standard Edition What’s New in Oracle JDK 9, Release 9
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This document summarizes features and enhancements in Java SE 9 and in JDK 9, Oracle’s implementation of Java SE 9.