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This week brought along new Early Access builds of the JDK and related projects.

On the JDK 7 side, the JDK 7 Update 12 Early Access Releases have been updated to 7u12 Build b05.

On the JDK 8 side, the JDK 8 Early Access Releases Build b68 is now available for testing.

As Mike Duigou announced on the lambda-dev mailing list,
A new promotion (b68) of Early Access binaries for OpenJDK Java 8 with lambda extensions is now available at http://jdk8.java.net/lambda/ .

On the Type Annotations Project mailing list, Steve Sides announced that
the latest binary builds of the JSR 308 Reference Implementation are available at http://jdk8.java.net/type-annotations

Please see the Type Annotations project page for a link to the JSR 308 Specification. There is also a changelog, which is important to review as there have been significant spec changes in 2012.

Last but not least, the NetBeans team has been busy publishing preliminary NetBeans builds supporting Lambda. As the NetBeans wiki page says,
Many features, including code completion, code highlighting, go to declaration, have been updated to know about lambda expressions and method references.

A new convertor is available, that allows to automatically convert anonymous innerclasses into lambda expressions. It not only marks anonymous innerclasses that can be converted inside the editor, but can also be applied to the whole project via the Refactor/Inspect and Transform.

Happy testing!