JVMs Across the Data Center and Twitter's JDK

by Dylan Raithel on  Nov 08, 2016

The Twitter Sponsored Solutions track at QConSF2016 features an engineering talk on JVMs Across the Data Center and unveils an in-house OpenJDK fork, the Twitter-JDK, with noted potential open-sourcing or release to broader public.

Ahead-of-Time (AOT) Compilation May Come to OpenJDK HotSpot in Java 9

by Monica Beckwith on  Oct 01, 2016

OpenJDK HotSpot may get Ahead-of-Time (AOT) compilation as early as Java 9. InfoQ covers the proposal submitted in September 2016.

Oracle Paves the Way to Standardise Command Line Options in the JDK

by Abraham Marín Pérez on  Jul 27, 2016

Oracle has created JEP 293 to introduce a set of guidelines for command line options in JDK tools in an attempt to fix the existing disparity among them. The JEP has no target version yet, meaning it will be delivered with Java 10 as soonest; however, taking into account that the scope is only to create a set of guidelines for new options, it may take even longer for the effects to be felt.

Initial Implementation of Module System Pushed to JDK 9 build 111

by Monica Beckwith on  Mar 28, 2016

Project Jigsaw has been in the works for a while now. On March 22nd 2016, an initial implementation of 'Module System' which is the last major component of Project Jigsaw, was pushed to JDK 9 in early access build 111.

JEP 286 Proposes Extending Type Inference to Local Variables in Java

by Alex Blewitt on  Mar 11, 2016

A feature proposal to extend type inference to local variables in Java has been posted to the JEP discussion list, asking for feedback regarding the feature. InfoQ looks at the proposal and what it might mean for the Java platform.

Jigsaw Finally Arrives in JDK 9

by Alex Blewitt on  Mar 11, 2016

Alan Bateman has sent a mail to the JDK-9 development list, indicating that a snapshot of Jigsaw will be integrated later this month. InfoQ looks in deeper to see what this will mean.

Oracle's OpenJDK Cleanup of "Unsafe" Implementation

by Monica Beckwith on  Feb 29, 2016

As Java 9 approaches general availability, many of the defining JEPs are starting to take final shape. JEP 260 (Encapsulate Most Internal APIs) proposes to expose the functionality of the controversial sun.misc.Unsafe class via variable handles, and a new posting to the JDK Bug tracker proposes further optimizations and cleanups for Unsafe.

Q&A with Aleksey Shipilev on Compact Strings Optimization in OpenJDK 9

by Monica Beckwith on  Feb 04, 2016

OpenJDK 9 introduces the compact strings optimization. InfoQ interviews Oracle Java performance engineer Aleksey Shipilev to understand more about this optimization and its performance impact.

What Impact Will OpenJDK Have on Android Development?

by Abel Avram on  Jan 08, 2016 9

We distill here some of the reactions around the web regarding Google’s adoption of OpenJDK for future Android versions.

Android will Use the OpenJDK

by Abel Avram on  Dec 30, 2015 2

Hacker News has reported on an Android source code commit that suggests that Google’s mobile operating system is switching the implementation of their Java libraries from the original Harmony-based one to OpenJDK. The move has been confirmed by Google to VentureBeat.

OpenJDK 9: Life Without HPROF and jhat

by Monica Beckwith on  Dec 11, 2015 2

OpenJDK will decommission the HPROF agent and remove the jhat tool from JDK 9. InfoQ covers options that supersede these commandline JDK tools.

Azul Announces Zulu Embedded, based on OpenJDK

by Matt Raible on  Mar 31, 2015

Azul Systems has released Zulu Embedded, a new open source embedded JDK, based on OpenJDK. It is targeted at companies that have embedded Java-based products such as mobile and IoT devices. Examples include routers and switches, ATM machines, avionics systems, automotive electronics and Point of Sale (POS) systems.

Mark Reinhold on Java 9 and Beyond

by Alex Blewitt on  Mar 12, 2015 2

Today at EclipseCon, Mark Reinhold gave a keynote on "Java 9 and Beyond" which looked at the upcoming features in Java 9 and some of the future plans for the Java ecosystem. InfoQ summarises the main parts of what will and might happen in the future.

Java's JDK Repository Now Builds Warning-Free

by Ben Evans on  Feb 06, 2015

The cleanup programme for OpenJDK has reached a major milestone - the main OpenJDK jdk repository is now free of build warnings.

New Java Version - it's not JDK 1.9

by Bienvenido David on  Nov 30, 2014 4

JDK Enhancement Proposal (JEP) 223 is a new JDK versioning scheme to make it easier to distinguish major, minor, and security releases. It's simpler, more intuitive, easier to parse, and aligns with current industry practices, in particular Semantic Versioning. For example, if JDK 1.7.0_65-b20 (7u65) used this new versioning scheme, the version string would be JDK 7.6.15+20 (7.6.15).