Friday Aug 20, 2010

News (2010-08-20)

JDK 7 build 106 is available. Build 106 updates the HotSpot virtual machine to HotSpot 19 build number 06, adding an LLVM-based JIT known as Shark, software floating point & cross-compilation support, the ability to build just the client JIT compiler, as well as a set of general fixes and improvements. You can check out the list of changes for details, and get the source code.

Slides for the many of the presentations from this year's JVM Language Summit have been published, including John Rose's presentation on JVM Futures, Fredrik Öhrström' presentation on Efficient compilation of Lambdas using MethodHandles and JRockit and Lukas Stadler's presentation on Coroutines for the Java Platform. In addition, Alex Buckley's Oracle TechCast Live fireside chat "Toward a Universal VM" is available online.

Over at Project Coin, Joe Darcy updated the specification of the try-with-resources statement to require uniform suppression of all throwables.

Project Lambda has seen a lot of activity since Brian Goetz published a new draft for interface evolution via “public defender” methods, and called the community to action on the mailing list asking for feedback from developers trying the Project Lambda prototype out on real code bases, and share their experiences. Developers wanting to try out the prototype should follow the build instructions, read the informal and basic guide on the provisional syntax currently implemented in the prototype and report their experiences on the lambda-dev mailing list.

Friday Jun 11, 2010

News (2010-06-11)

The JDK 7 build 97 is available. Build 97 contains changes in corba, langtools and jdk areas, adding support for OpenType/CFF fonts, the XRender Java2D pipeline feature, and support for reading of concatenated gzip files, as well as a set of improvements across the class library. You can check out the list of changes for details, and get the source code.

On the Project Lambda mailing list Brian Goetz posted his thoughts on exception transparency, one of the features being considered for that project. In addition, the draft for 'defender methods' has been updated.

In Project Coin, Joe Darcy opened design discussions about a new annotation type to suppress varargs warnings.

Gary Benson announced that an IcedTea build of OpenJDK using the Shark JIT compiler from the Zero-Assembler Project passed the Java SE 6 TCK on Fedora 12 running on x86_64.

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A regular stream of news and updates from the OpenJDK Community and OpenJDK Projects like JDK 7, OpenJDK 6, Project Coin, Project Lambda, Da Vinci VM, Project Jigsaw and more.

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