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.
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.
We distill here some of the reactions around the web regarding Google’s adoption of OpenJDK for future Android versions.
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 will decommission the HPROF agent and remove the jhat tool from JDK 9. InfoQ covers options that supersede these commandline JDK tools.
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.
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.
The cleanup programme for OpenJDK has reached a major milestone - the main OpenJDK jdk repository is now free of build warnings.
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).
Eclipse Luna brings together 76 projects for the ninth annual release train, and ten years to the day of the Eclipse 3.0 release, the first Eclipse release to run on top of an OSGi framework. Over the past ten years, Eclipse has regularly released in June bringing together one of the largest open-source applications in the world. Read on to find out what's new and noteworthy for Eclipse Luna (4.4)
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 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.
AppFuse 3.0 has been released. AppFuse uses the Maven Archetype plugin to generate a starter Java project, which allows you to quickly get started with a full-stack Java EE application. Version 3.0 is using Mojarra and PrimeFaces for its JSF framework and library, Mockito for its test mocking framework, Bootstrap 3 for its front-end framework, and added Apache Wicket as a Web Framework option.
Oracle have released videos and slides from the 2013 JVM Language Summit, which saw uses of the JVM from the biggest data to the smallest mobiles, and future performance advances in the JVM runtime. Read on to find out more about what was covered.
Following an announcement of their partnership in July this year, Azul Systems and Microsoft Open Technologies have now release a GA version of Zulu for Windows Azure. Licensed under the terms of the GPLv2 open source license with the ClassPath Exception, Zulu is an OpenJDK-based JVM for Windows Server on the Windows Azure Cloud.