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.
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.
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.
Speaking at the Hot Chips Conference, HSA Foundation president Phil Rogers has provided more details on plans to bring GPU acceleration to Java in time for Java 9 in 2015.
Oracle has released the first developer preview of Java 8 for the full range of platforms (Windows, Max OS X, Linux, Solaris).
Oracle is removing the sun.misc.Compare interface and sun.misc.Sort class in Java 8. These are old, residual classes that are no longer used within the JDK. sun.misc.Compare is an interface that allows you to compare two Objects and return an int. sun.misc.Sort is a class that takes in a sun.misc.Compare and sorts an Object array using the quicksort algorithm.
JDK 8 has reached Milestone 7 in JDK 8 build b91. M7 is the Feature Complete milestone, where all features and unit tests have been implemented and integrated. Unfortunately, not all features were delivered on time. Three JEPs (JDK Enhancement Proposal) are still in progress, althought they are estimated to be completed for JDK build b93.