News (2010-07-19)

JDK 7 build 100 is available. Build 100 contains changes to fix build issues on Windows, integrate JAX-WS 2.2 and JAXB 2.2, an implementation of the Simplified Varargs Method Invocation feature from Project Coin 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.

This year's JVM Language Summit is just one more week away. Alex Buckley will be on the Oracle "TechCast Live: Toward a Universal VM" live, interactive, videocasted 'fireside chat' on Tuesday, July 20 (10am PDT) to discuss the VM and give a JVM Language Summit Preview.

Over at Project Coin, Joe Darcy blogged about the use of an annotation processor to programmatically look for types that were candidates to be retrofitted as Closeable or AutoCloseable, and the resulting changes to the JDK. In addition, Joe and Alex have produced, in consultation with Josh Bloch, Maurizio Cimadamore, Jon Gibbons, and others, a specification for ARM blocks that is much closer to Java Language Specification (JLS) style and rigor. Finally, Joe announced that starting with a prototype written by Tom Ball, Oracle's javac team has produced and pushed an implementation of ARM blocks into JDK 7.

On the Project Lambda mailing list Brian Goetz published 'State of the Lambda', an updated proposal to add lambda expressions (informally, "closures") to the Java programming language.

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