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  • Nashorn - The Combined Power of Java and JavaScript in JDK 8

    With JDK 8, Nashorn replaces Rhino as Java’s standard JavaScript engine for the benefit of improved performance and compatibility. Avatar.js brings the popular Node framework’s programming model to Nashorn, enabling many JavaScript server applications to run in a Java environment. In this article JavaScript expert Oliver Zeigermann explains the hows and the why's.

    Oliver Zeigermann
    on Apr 15, 2014
  • Java

    Exploring Micro-Frameworks: Spring Boot

    Get started with Spring Boot, a Java-orientated micro-frameworks. In this tutorial, you will learn how to install it, develop a Spring Boot app, develop a microservice step by step, also checking for security and how to package your Spring Boot app. It includes code snippets.

    Dan Woods
    on Mar 18, 2014

  • OpenJDK and HashMap …. Safely Teaching an Old Dog New (Off-Heap!) Tricks

    The OpenJDK Off-Heap JEP will be a radical departure from traditional Java priorities, seeking to standardize a facility for efficiently manipulating off-heap memory. This article surveys the impact this JEP will have to empower Java HashMap with new off-heap capabilities. Simply put, this JEP may be just the magic that can “teach” HashMap (that lovable old dog) some new tricks.

    Ben Cotton Peter Lawrey
    on Mar 14, 2014

  • Interview with Andy Piper on the Eclipse Paho project and the Internet of Things

    MQTT provides the communications link for low-power systems. InfoQ caught up with Andy Piper, lead of the Eclipse Paho project, to find out more about the history of MQTT and why it is being used by internet scale companies such as Facebook.

    Alex Blewitt
    on Mar 03, 2014

  • Custom Assertions in Java Tests

    Using so-called "matcher libraries" to implement custom assertions to make tests more readable and maintainable.

    Tomek Kaczanowski
    on Feb 27, 2014

  • From Imperative Programming to Fork/Join to Parallel Streams in Java 8

    The authors compare different methods to compute the variance of a large data set using an imperative style, The fork/join framework and the new Streams API in Java 8

    Mario Fusco Raoul-Gabriel Urma
    on Feb 21, 2014

  • Modern Enterprise Performance Analysis Antipatterns

    In this article we present some of the most common performance analysis antipatterns in the enterprise platform, expressed in terms of their basic causes along with remediation strategies.

    Ben Evans
    on Feb 15, 2014

  • ActiveJPA – Active Record Pattern for JPA

    ActiveJPA is a Java implementation of Martin Fowler’s Active Record pattern that wraps around JPA and provides useful abstractions to simplify data access. With ActiveJPA, models themselves act as a DAO and interact with the database without requiring additional code for the DAL. In this article the primary committer discusses ActiveJPA and provides plenty of usage examples.

    Ganesh Subramanian
    on Jan 22, 2014

  • Discover and Diagnose Java Concurrency Problems Using Contemplate's ThreadSafe

    Writing Java software that correctly and safely makes use of concurrency requires careful thought. Software that incorrectly accounts for concurrency can contain intermittent defects that elude even the most rigorous testing regimes. Static analysis tools can analyze source code or compiled bytecode to discover latent bugs hidden within code, long before it is executed.

    Robert Atkey
    on Jan 14, 2014

  • Pragmatic Techniques for Maintaining a Legacy Application

    Maintaining a legacy application can make you feel like mice in a maze. In this article Ping Chen shares her experiences on how to pragmatically maintain a large legacy application. "Pragmatic” is the operative word; since a legacy application can have lots of technical debt, one has to be strategic in choosing the right battles.

    Chen Ping
    on Jan 02, 2014

  • Visualizing Java Garbage Collection

    Garbage Collection, like Backgammon takes minutes to learn and a lifetime to master. In this article Master trainer/consultant Ben Evans summarizes his recent InfoQ presentation "Visualizing Garbage Collection" where he discusses Garbage Collection from the ground up.

    Ben Evans
    on Dec 25, 2013

  • Don’t jump the SQL ship just yet

    The SQL language has been evolving steadily over the last two decades. At the same time, the verbosity caused by the JDBC API in Java client code and the lack of first class SQL support within the Java language have led to the introduction of ORMs such as Hibernate, which was later standardised into JPA and the Criteria API.If SQL and JPA are diverging, where will our data interaction patterns go?

    Lukas Eder
    on Dec 18, 2013
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