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Introducing Spring XD, a Runtime Environment for Big Data Applications

Spring XD (eXtreme Data) is Pivotal’s Big Data play. It joins Spring Boot and Grails as part of the execution portion of the Spring IO platform. Whilst Spring XD makes use of a number of existing Spring projects it is a runtime environment rather than a library or framework, comprising a bin directory with servers that you start up and interact with via a shell.

Charles Humble
on Jul 23, 2014
Unusual Ways to Create a Mobile App

There are hundreds of thousands of mobile applications for nearly every purpose in the iOS or Android app stores. Usually they are created with Objective-C toolstacks for iOS devices and Java based for Android handsets. In this article we would like to show you two not so common ways to build native apps with Java and Xtend which help to share code between both worlds and simplify development.

Niklas Therning Sven Efftinge
on Jul 16, 2014
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

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