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Java Unshackled – A cataclysmic 2017!

This post comes from my sickbed and is therefore shorter than what I’d like given the importance of 2017! 2017 is the year where Java the language, platform, ecosystem and community truly became free, with:

Oh and of course (after some battles at the standards body) Java 9 came out as well! In case you missed the highlights of 2017, here’s some of the major happenings that occurred.

Java EE moves to Eclipse

There’s been plenty of coverage of this, but the new home for Java EE is now at Eclipse (project name EE4J, brand name TBA). See the project page for details!

Java EE is now completely open and free, including the Reference Implementations (RIs) & Technical Compatibility Kits (TCKs). This will make for a much more level playing field for the ecosystem going forwards and I expect to see a lot of innovation occurring once the hard work to do the code and IP transfer has completed.

Eclipse Microprofile for Microservices

microprofile.io is the new collaborative effort between vendors, Java User Groups and individuals to rapidly build microservice APIs that are supported by all of the major Java EE vendors, a defacto std if you will. It’s pushed out 3 releases so far and covers microservice features such as config, fault tolerance, health metrics, circuit breakers etc.

Java 6 month release cadence

Java is now going to be released every 6 months with the fist LTS release of that being Java 11 (in ~Sep 2018). This means some extra work for the tools vendors but will unshackle Java from it’s slow moving reputation. It’s certainly a massive change from the 4-5 year release cycle we’ve all been used to!

Oracle opening up Java SE

As Announced, Oracle is going to open source the remainder of its Java SE commercial features and start producing binaries of OpenJDK builds for the developer community.

Java 9 release

The 1st time around the vote for Jigsaw and the module system was a resounding No. It was a deeply complex issue but boiled down to the fact that in the form it had been represented as, Jigsaw would cause too much harm to the industry and required some small but key modifications. See the “LJC’s official position statement on this.

Mark Reinhold and Oracle to their credit, took that onboard and made the changes. The 2nd vote for Jigsaw and the module system passed through just fine. See the LJC’s official position statement on this.

Java 9 is now out and the ecosystem at large whilst adopting it slowly are making some strides in making older libraries and frameworks Java 9 compatible.

Effective Java 3rd Edition

If there’s one book you should buy this holiday period, buy this.

A view to 2018 – Java SE

Everyone of course is excited for the new features coming in Java 10:

Java 11 is a little trickier to define at this point, but the initial chunks that will make up value types will go into here.

Summary

Java’s been opened up to become what it’s truly capable of. The decisions that Oracle made in 2017 and the hard work that the community has one with Oracle to open up the last pieces of Java will make it a viable platform for the net 15-20 years.

Cheers,
Martijn (CEO – jClarity, Sun/Oracle Java Champion & Diabolical Developer)

This post is part of the Java Advent Calendar and is licensed under the Creative Commons 3.0 Attribution license. If you like it, please spread the word by sharing, tweeting, FB, G+ and so on!

Author: Martijn Verburg

The Diabolical Developer, CEO – jClarity, London JUG co-leader (LJC), Speaker, Author, Javaranch Mod, PCGen & Adopt OpenJDK / A-JSR Cat herder, Java Champion

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