Java 9 Will Adjust Memory Limits if Running with Docker

by Abraham Marín Pérez on  Feb 21, 2017

A first experimental change has been added to Java 9 so the JVM can understand that it is running within a container and adjust memory limits accordingly. Despite the increase in popularity of containers, many tools, including the JVM, still rely on the host's parameters to assess available resources, oftentimes running out of memory. This change tries to prevent many of those scenarios.

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.

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.

Oracle Releases Java 8 at EclipseCon

by Alex Blewitt on  Mar 18, 2014 7

Today at EclipseCon, Oracle announced the launch of the Java 8 platform, bringing Lambdas and Streams to the language as well as fixing some long-standing issues with the JVM. Read on to find out more about the release.

Azul Offering Commercialised Versions of OpenJDK 6 and 7 for Windows and Linux

by Charles Humble on  Jan 21, 2014

Azul Systems has announced that Zulu, its freely-available version of OpenJDK, now supports both Java 6 and Java 7 on Linux and Windows-based deployments. It is supported via the Zulu Community Support forums. In addition the firm is introducing Zulu Enterprise, which is a commercially supported version of OpenJDK.