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  • Java

    Where Has the Java PermGen Gone?

    Prior to JDK8 class metadata and constants would live in an area called the “permanent generation”, contiguous with the Java heap. One problem was that If the class metadata size is beyond the allocated bounds your app would run out of memory. With the advent of JDK8 we no longer have PermGen. The space where it was held has now moved to native memory to an area known as the “Metaspace”.

    Monica Beckwith
    on Jul 07, 2014

  • VRaptor MVC Framework; Powerful Simplicity

    VRaptor's latest version 4 CDI MVC framework is now available. In this article we take a tour of how to use this simple but powerful framework to build web applications

    Rodrigo Turini
    on Jul 02, 2014

  • Article Series: Configuration Management Tools

    Configuration management is the foundation that makes modern infrastructure possible. Tools that enable configuration management are required in the toolbox of any operations team, and many development teams as well. Although all the tools aim to solve the same basic set of problems, they adhere to different visions and exhibit different characteristics.

    João Miranda
    on Jun 27, 2014

  • Book Review: Integration Testing from the Trenches

    In this important and thorough treatise “Integration Testing from the Trenches” Nicolas Frankel starts from basic definitions and develops the concepts of integration testing with a casual formalism that's intuitive and fun.

    Victor Grazi
    on Jun 27, 2014
  • Java

    God-Mode in Production Code

    Takipi is trying to level out the playing field between dev and prod debugging by making it just as easy to debug Java and Scala code in production as it is on your desktop. It detects errors and exceptions in server code, provides analytics to help prioritize them, and captures the source code and values of variables that caused them.

    Tal Weiss
    on Jun 26, 2014

  • Transactional NoSQL Database

    Document-oriented NoSQL databases are eliminating the impedance mismatch between developers and traditional data models. However developers have come to believe they need to sacrifice ACID transactions. In this article we will look at how MarkLogic dispels this myth

    Ken Krupa
    on Jun 12, 2014

  • 8 Great Java 8 Features No One's Talking about

    In this article Tal Weiss focuses on some lesser known API's in the new Java 8.

    Tal Weiss
    on May 30, 2014

  • Virtual Panel on Reactive Programming

    Reactive programming is a very hot topic: InfoQ asked three proponents of reactive programming how their libraries and frameworks achieve reactiveness and what this means for the developer. The participants are Viktor Klang (Akka), Timothy Baldridge (Core.Async), and Jafar Husain (RxJava).

    Mirko Stocker
    on May 26, 2014
  • Architecture & Design

    Microservices: Decomposing Applications for Deployability and Scalability

    What are microservices? This article describes the increasingly popular Microservice architecture pattern, used to architect large, complex and long-lived applications as a set of cohesive services that evolve over time.

    Chris Richardson
    on May 25, 2014

  • How Functional is Java 8?

    It's been said that Java 8 is bringing Functional Programming to Java. In this article Ben Evans discusses what it means to be functional. By looking at the evolution of Java - particularly its type system, we can see how the new features of Java 8, especially lambda expressions, change the landscape, and provide some key benefits of the functional programming style.

    Ben Evans
    on May 12, 2014

  • Type Annotations in Java 8: Tools and Opportunities

    With Java 8, annotations can be written not only on declarations, but on any use of a type such as types in declarations, generics, and casts. This article introduces the new type annotation syntax and practical tools to boost productivity and build higher-quality software.

    Todd Schiller
    on May 05, 2014

  • Intuitive, Robust Date and Time Handling, Finally Comes to Java

    Date and time are fundamental concepts to many applications, yet Java SE had no good API to handle them; until now! With Java SE 8, java.time provides a well-structured API to cover date and time. In this article, JSR-310 (Java Date and Time API's) spec-lead and Jodatime author Stephen Colbourne discusses the new API's as well as the background for Date and Time handling in Java 8.

    Stephen Colebourne
    on Apr 21, 2014
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