InfoQ Homepage JVM Content on InfoQ
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Mobile, JavaFX Emphasized at JavaOne Keynote. JavaFX Script is Dropped
At Monday's JavaOne keynote in San Francisco, Oracle EVP Thomas Kurian highlighted Oracle's plans for the Java platform with a three-year roadmap and demos of JavaFX and other technologies. Elsewhere it announced plans for JavaFX 2.0 and the decision to drop JavaFX Script.
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Azul Releases Zing: Software-based JVM Virtualisation/Elastic Runtime for x86
Azul Systems, makers of specialist hardware for running Java applications, have announced Zing, a Virtualised implementation of their hardware stack. Zing uses RedHat's KVM and VMWare's vSphere to target a wide range of operating systems and is optimised for Intel's latest x86
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Azul Systems To Open Source Significant Technology in Managed Runtime Initiative
Having just announced a record breaking quarter, Azul Systems are open sourcing a considerable part of their intellectual property under GPLV2, as part of a major new initiative to try and improve the performance of managed code on commodity platforms.
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Keeping Garbage Collection Pauses Short with Growing Heap Sizes: Q&A With Dr. Cliff Click
The strong correlation between heap size and garbage collection pause time is becoming one of the major limitations to Java application scalability, and a great deal of R&D effort is going into trying to remedy the situation. InfoQ talked to Dr. Cliff Click, former architect and lead developer of the HotSpot Server Compiler and now chief JVM Architect at Azul Systems, about Azul's solution.
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Mark Reinhold Talks About JRockit/Hotspot Integration
Oracle principal engineer and former Sun employee Mark Reinhold talks about Oracle's plans to merge the Hotspot and JRockit JVMs.
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Scala 2.8 Beta 1 Released
The long-awaited beta for the new Scala version 2.8 has finally been released. It includes many new features, like for example a redesigned collections library, named and default arguments, and a much improved Eclipse IDE.
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JDK 7 Milestone 5 Includes Concurrency and Performance Updates, But Is Not Feature Complete
Sun's Java SE team recently released the Milestone 5 build of JDK 7. This was expected to be a feature complete release of Java 7 but is some way short of that. InfoQ takes a look at what has been added and some of the major features still missing.
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JRuby's New IR Paves the Way for Future Performance Improvements
A new intermediate representation (IR) for JRuby code enables many optimizations and could bring the next performance boost. InfoQ talked to Subbu Sastry who works on the IR.
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Duby and Surinx, an Interview With Charles Nutter
Charles Nutter talks about his two new languages for the JVM: Duby and its dynamic cousin Surinx.
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Sun Drops the Swing Application Framework from Java 7
The Swing Application Framework will not make it into Java 7, though a number of forks have subsequently sprung up to continue its development. Plans for another much requested feature, CSS-based styling for Swing components, have also been abandoned.
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JRuby Roundup: 1.4 Features, JRubyConf Schedule, MLVM
JRuby 1.4 is coming up with 1.8.7 support and improved Java integration. First builds that bundle JRuby and MLVM are available. Also: JRubyConf's program has been announced - and some more seats are available.
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Commercial Java Compiler Protects Eclipse RCP Applications
Excelsior LLC recently released the latest version of Excelsior JET which now prevents the decompilation and unauthorized alteration of Eclipse RCP applications.
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A Type System for Scala Actors to Enforce Race Safety Without Sacrificing Performance
Philipp Haller and Martin Odersky introduce a type system that enables safe massage transfer in Scala actors. Formalized as an extension of the EPFL Scala compiler, “Object Capability Types” system, based on capability checking and external uniqueness, enforces race safety without sacrificing performance and removes significant limitations on message shape imposed by existing approaches.
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Roundup: Scala as the long term replacement for Java
Scala has been receiving much attention lately as a possible candidate to replace Java in the future. James Strachan creator of Groovy advocates in favor of Scala as James Gosling, creator of Java and Charles Nutter JRuby Core Developer, have done in the past.
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Twitter, an Evolving Architecture
Evan Weaver, Lead Engineer in the Services Team at Twitter, who’s primarily job is optimization and scalability, talked about Twitter’s architecture and especially the optimizations performed over the last year to improve the web site during QCon London 2009.