InfoQ Homepage Java Content on InfoQ
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Tips for Tuning the Garbage First Garbage Collector
In July Monica Beckwith explored the theory of the new G1 GC Garbage First Garbage Collector. In this second installment, Monica delves into more practical aspects and provides guidance for tuning.
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Getting Started with HotSpot and OpenJDK
In this article, we look at the HotSpot Java Virtual Machine, and its implementation in the OpenJDK, both from a VM perspective and also in terms of its interaction with the Java class libraries.
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Java 7 Sockets Direct Protocol – Write Once, Run Everywhere …. and Run (Some Places) Blazingly
This article looks at the new Java Sockets Direct Protocol (SDP) technology, recently introduced in the Java 7 SDK. SDP empowers the Ultra High Performance Computing community to use Java’s for native access to the InfiniBand Remote Direct Memory Access capability, to directly access memory on other computers without involving the operating system.
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Book Review:"Eclipse 4 Plug-in Development by Example"
Regular InfoQ Java contributor Dr. Alex Blewitt recently published “Eclipse 4 Plug-in Development by Example” via PACKT publishing. Using Java as its language, the book provides a thorough tutorial for would-be Eclipse Plug-in developers. Later chapters cover build automation and detailed coverage of the Eclipse 4 model.
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Virtual Panel: Using Java in Low Latency Environments
Java is increasingly being used for low latency work where previously C and C++ were the de-facto choice. InfoQ brought together four experts in the field to discuss what is driving the trend, and some of the best practices when using Java in these situations.
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Peter Kriens Returns to OSGi Alliance
Peter Kriens, one of the driving forces behind OSGi, announced his return to the OSGi Alliance, where he served as director for 11 years until early 2012. InfoQ caught up with Peter to discuss his return, OSGi, and his latest project jpm4j.
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G1: One Garbage Collector To Rule Them All
Many articles describe how a poorly tuned garbage collector can bring an application's SLA commitments to its knees. Oracle's new G1 Collector in HotSpot moves away from the conventional GC model, where a Java heap splits into (contiguous) young and old generations, and instead introduces the concept of “regions”, for a generally more performant and manageable GC.
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From Groovy to Java 8
From new syntax for functional programming styles, to lambdas, collection streaming, and method references as first class citizens, Groovy developers will have an edge when writing Java code in the future. This article will focus on the commonalities between Groovy and Java 8, and will demonstrate how familiar Groovy concepts translate to Java 8.
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The Technology behind Codenvy. An Interview with Tyler Jewell, CEO
Codenvy is an online IDE supporting applications development in Java, JavaScript, HTML5, PHP, Ruby and other languages, with built-in support for deploying the apps on a PaaS. This article includes an interview with Tyler Jewell, CEO, detailing some of the technologies behind Codenvy.
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Zato - Python-based ESB and Backend Application Server
Zato is an open-source ESB and application server written in Python. It is designed to integrate systems in SOA and to build backend applications (i.e. API only).
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Apache MetaModel – Providing Uniform Data Access Across Various Data Stores
MetaModel - an Apache Incubator project – is a Java library used to browse, query and update various types of data stores including traditional SQL databases, unusual stores such as CSV or Excel, or the more modern NoSQL stores in a uniform and programmatic way.
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A Test Strategy for Enterprise Integration Points
This article introduces a commonly applicable testing strategy for integration points, which improves the coverage, speed, reliability and reproducibility of testing, and thus could be used as a reference for implementing and testing integration-heavy applications.