Q. How will you go about creating a memory leak in Java? A. In Java, memory leaks are possible under a number of scenarios.… [read]

In this post I’ll present you with our candidates and the criteria we are evaluating each framework with.… [read]

First of all, how would you ever end up asking yourself that question? Well, if you’re the implementer of a class reloading system (e.g. www.javeleon.org) then this question makes perfect sense.… [read]

This article is part 1 of a series that will provide you with a comprehensive guide on how you can troubleshoot and identify root cause of Java high CPU problems.… [read]

Hi all, Willie here. This time we’re going to step away from the keyboard and get architectural. But no ivory towers here. In my next two blog posts,… [read]

There are many languages which either makes use of interpreter or Compiler but not both. Java uses both and because of that only it is able to provide platform independence for applications.… [read]

Kirk Knoernschild is one of the leading experts when it comes to the OSGi community.… [read]

As part of the JSR-335 (Project Lambda) which adds closure support to Java language,… [read]

Introduction Typically multiplying two n-digit numbers require n2 multiplications. That is actually how we, humans, multiply numbers.… [read]

Lucene Revolution 2012 is now done, and the talk Robert and I gave went well! We showed how we are using automata (FSAs and FSTs) to make great improvements throughout Lucene.… [read]

Welcome back to another installment of This week in Spring!. We've got a lot to cover this week, as usual. So, onward!… [read]

Fresh results from ZeroTurnaround's Developer Productivity Report 2012 - 30 pages of stats, analysis and interviews with industry experts.… [read]

While Camel supports an ever growing number of components, you might have a need to create a custom component. This could be to either promote reuse across projects,… [read]

Fresh results from ZeroTurnaround's Developer Productivity Report 2012 - 30 pages of stats, analysis and interviews with industry experts.… [read]

"A component must not execute more than 20 SQL statements". A relative new discipline to enforce these types of architectural rules is Dynamic Architectural Validation.… [read]

A good and reliable deliverable is essential for every web designing and development program. The most important of all deliverables are the WIREFRAMES and MOCKUPS. The biggest advantage of using...… [read]

It’s widely recognised that adding people to a team often doesn’t result in increases in velocity and can even reduce the velocity of the team due to the extra communication overhead.… [read]

This blog demonstrates how simple Server Side Events can be added to any Servlet based application via the Atmosphere Framework. [read]

Coupling is considered to be a bad sign in a software design, having seen enough of it in practice I agree with this belief.… [read]

NetBeans uses its projects' settings for javac.source (and javac.target) in more ways than simply enforcing javac's use of the -source and -target.… [read]

One of the things that we all do on a daily basis in our work is to name objects. It’s an activity that we take for granted without ever giving it much thought.… [read]

One of the main agile values is “transparency”. We expect it of teams, when it comes to reporting progress. We expect the individual developer to be transparent, when he is doing his work.… [read]

A couple of months ago I went to an excellent set of talks at LJC night at QCon. This not only inspired my entry on staleness but also made me think about some more architectural smells.… [read]

It’s been a week since I bought my Nokia Lumia 800 and I think I’ve got enough experience to review it. Rather than writing it in the technical perspective,… [read]

Java comes by default with some classes to manipulate images. Those classes are located in java.awt package and are intended to be used for awt applications.… [read]

A good and reliable deliverable is essential for every web designing and development program. The most important of all deliverables are the WIREFRAMES and MOCKUPS.… [read]

This section in the Painless TDD series looks at object dependencies; when you ask for more than you need, and why the "natural" choices may not always be the best ones. [read]

DocRaptor is an HTML to PDF API that uses Prince XML to create PDF files from HTML. DocRaptor has better CSS support and produces higher quality documents than comparable applications.… [read]

As part of the JSR-335 (Project Lambda) which adds closure support to Java language,… [read]

The Simple Partition Assignment Strategy introduced with Coherence 3.7.… [read]

Scala Days 2012 was held in London in April. I presented a paper “Stackless Scala with Free Monads” at the conference. You can read it here: http://days2012.scala-lang.… [read]

Facebook Çoklu olarak arkadaşlarınızla ( yeni tanışacağınız kişilerle ) çoklu görüntülü konuşmalar. Sesli şekilde konuşurken aynı zamanda yazılı olarakta muhabbetler edebilirsiniz.… [read]

The diamond problem with multiple inheritance is that when a variable/method of a class is accessed which is inherited from two (or more than two) classes which declare the same variable/method then… [read]

Just a quick note that Part One of the Using Properties and Bindings in JavaFX 2 article that I wrote for Java Magazine is now available. It is written in tutorial-style,… [read]

As the first candidate of our evaluation series we reviewed the Play Framework v2.0. The tutorial and reference documentation used for this article is all available from the Play documentation site.… [read]

Even Oracle might not have known what it had when it brought Google to trial, but when the trial began to turn around the idea of copyrighting APIs,… [read]

A good and reliable deliverable is essential for every web designing and development program. The most important of all deliverables are the WIREFRAMES and MOCKUPS.… [read]

jCardSim is an implementation of the Java Card API. It fully emulates NXP-chip JavaCard. It features virtual JavaCard terminal emulation, rapid... [read]

Every time I had to build such an app I struggled with passing options via command line parameters. Instead of concentrating on implementing logic, I had to create a parser, validator and so on.… [read]

Our most recently completed poll suggests that, while the new Java Magazine is starting to find a regular readership, there is still plenty of room for more growth.… [read]

Load Tester is a Web stress tool that measures how many users your site can handle. It allows you to generate up to a million virtual users from the... [read]

Title Opening at ADI Tech for 2010/2011 passed out B.E/B.… [read]

Title Urgent: Excellent opening for ASE-Java/ J2EE at Torry Harris Business Solutions!… [read]

We’re getting ready to release Grails 2.1, with a release candidate hopefully this week. The cache plugins I mentioned last week will be released around the same time,… [read]

A good and reliable deliverable is essential for every web designing and development program. The most important of all deliverables are the WIREFRAMES and MOCKUPS.… [read]

Normally the JAXB generated classes will not contain set methods for collections.… [read]

[Tips] This is usually the last question you can expect during an interview.… [read]

How to apply QoS techniques in the managing of application performance by way of service classification of workloads and associating such services with virtual resource capacity pools.… [read]

JSch is a pure Java implementation of SSH2. It allows you to connect to an sshd server and use port forwarding, X11 forwarding, file transfer, etc.... [read]

Q. How will you go about creating a memory leak in Java? A. In Java, memory leaks are possible under a number of scenarios.… [read]

Vaadin is a Web application framework for Rich Internet Applications (RIA). In contrast to Javascript libraries and browser-plugin based solutions it... [read]

The aim of this project is to create a free (open source, OS independent) remake of the classic SSI game Imperialism. While the spirit and many... [read]

I’ve been messing with the FindBugs Ant task today to incorporate it into my company’s automated build for a JEE application. One task I wanted to do was filter the bug report by rank.… [read]

This post was originally written by James Solo over at his blog, web developer padawan. We just had to repost it!… [read]

[Tips] IT is about dealing with people within and out of the company. So,… [read]

JLokalize is an editor for supporting the internationalization (i18n) of Java applications. Java programms usually store translatable text in... [read]

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JSON Data to Convert: { ‘name’ : ‘javac’, ‘age’ : 6 } Conversion Code: import java.net.UnknownHostException; import com.mongodb.DB; import com.mongodb.… [read]

I'll be speaking at LinuxTag in Berlin, Germany on JDK 7 Updates in OpenJDK. When I'm not speaking, I'll be mostly be around at the Oracle booth on Wednesday & Thursday.See you there! [read]

Jesper Boeg discusses why it is important to deliver software early, why it is difficult to do so, along with tools/tips/practices: shared vision, story maps, coaching, and others. By Jesper Boeg [read]

We’re getting ready to release Grails 2.1, with a release candidate hopefully this week. The cache plugins I mentioned last week will be released around the same time,… [read]

mxHero is a platform for email enhancing plugins. It features attractive real-time stats, security, policy, and monitoring capabilities. Email... [read]

UMLet is a lightweight tool for rapidly drawing UML diagrams, with a sound and pop-up-free user interface. UMLet lets you draw diagram sketches... [read]

There doesn’t seem to be a day that goes by without another development in the entire Java ecosystem in regards to Cloud. In this issue of Java Tech Journal,… [read]

The free (registration is required) Java Magazine article Convention Over Configuration in Java EE 6 focuses on the implementation of project and stage dependent configuration with JSF, EJB, JMX,… [read]

This post describes how to build out the person configuration item in Skybase using Spring Data Neo4j. [read]

[Tips] Most of the times, the job of software development is that of working under pressure. Sometimes,… [read]

Luckily, we are getting help. The London Java Community has done a great job of pushing along information about how to do builds and providing very constructive and timely feedback on these topics.… [read]

How to apply QoS techniques in the managing of application performance by way of service classification of workloads and associating such services with virtual resource capacity pools.… [read]

The Expense Submittal System (ESS) is a Web-based solution for the creation of expense reports, expense report approval, payment, and accounting. The... [read]

Title Opportunity with TEKsystems for JAVA Developer (Software Engineer) – Bangalore Categories IT JOBS Designation Software Engineer Location Bengaluru/Bangalore Experience… … [read]

Java Gearman Service is a Java implementation of the gearman service, which provides a generic application framework that farms work out to other... [read]

"Swarming" is a technique whereby many members of a team work together to deliver a User Story, taking advantage of the skills of many team members working together at the same time.… [read]

Ken Sipe introduces Glu, an open source deployment automation tool coming from LinkedIn, showing how to perform Glu configuration along with a demo of using it. By Ken Sipe [read]

Aspose.Cells is a .NET component for spreadsheet reporting without using Microsoft Excel. It supports a robust formula calculation engine, pivot... [read]

A good and reliable deliverable is essential for every web designing and development program. The most important of all deliverables are the WIREFRAMES and MOCKUPS. The biggest advantage of using...… [read]

Developers are now being tasked with writing applications for the cloud. Although that is a simple buzzword, what does it mean to me, the developer?… [read]

Pykka aims to provide easy to use concurrency abstractions for Python by using the actor model.… [read]

Our most recently completed poll suggests that, while the new Java Magazine is starting to find a regular readership, there is still plenty of room for more growth.… [read]

Gaudi is a platform-agnostic build tool written (mostly) in Scala which runs on a Java virtual machine (JVM). ... [read]

[tips] Here the interviewer simply wants to know what success means to you in your professional and personal life.… [read]

Fransa Gurbetçi ziyaretçilerle görüntülü olarak Chat Sohbet arkadaşlık kuracak diğer yandan’da yurt dışında yaşayan tanıdıklarınızla ücretsiz görüşebileceksiniz.… [read]

[Tips] From my failures I have learnt to analyze myself and find out my shortcomings.… [read]

Open Transactions is a solid, easy-to-use, financial crypto and digital cash library, including an API, server, and test client. It features... [read]

If you are an Activiti and maven user, this will most definitely concern you. As of this morning, the Powers That Be have decided to upgrade our maven repository. As such,… [read]

Personal Server is a simple and easy-to-use Android HTTP server for sharing files over a Local Area Network. *Changes* This release has major... [read]

Bire bir Chat Diğer illerden katılan kişilerle yakından sohbet edecek ve onları görüntülü olarak izleyecek- görebileceksiniz.… [read]

Yesterday we announced the Mule iON SaaS Edition and a QuickStart Plan designed specifically for SaaS Providers.… [read]

Looks like after around a month of public beta, Fuse ESB Enterprise and Fuse MQ 7.0 have both been made generally available today according to a new announcement out of the CamelOne Conference. [read]

Moneychanger is a simple client GUI built on top of Open Transactions, a financial crypto library. Moneychanger can be used to create pseudonyms,... [read]

Its out of beta and up for grabs...ColdFusion 10 has been released! (I make a small appearance in the intro video as well.) So what is ColdFusion 10? Lets start with looking at the new features. [read]

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import java.net.UnknownHostException; import java.util.Set; import com.mongodb.DB; import com.mongodb.DBCollection; import com.mongodb.Mongo; import com.mongodb.… [read]

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A good and reliable deliverable is essential for every web designing and development program. The most important of all deliverables are the WIREFRAMES and MOCKUPS.… [read]

GrailsUnitTestMixin (and its descendents DomainClassUnitTestMixin, ServiceUnitTestMixin, etc) give your test classes some static and instance variables that aren’t mentioned in the docs yet.… [read]

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Just a quick note that Part One of the Using Properties and Bindings in JavaFX 2 article that I wrote for Java Magazine is now available. It is written in tutorial-style,… [read]

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I’ve been meaning to write up my experiences with upgrading a 1.x app to grails 2 for two months now. Since I can’t seem to find the time to do a large post,… [read]

As we’ve been busy building out the Insight product line we’ve spent significant time considering the issues associated with “conflicting” and “invalid” licenses — licenses which upon… [read]

I've been in the happy position lately of interviewing engineers for my new start-up.… [read]

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Cassandra at Workware Systems: Data Model FTW One of the stories in which the deciding factor for using Cassandra was primarily the data model and not its scalability characteristics: tags:… [read]

Part 3 in this 6-part-series. Describes all components used in the demo setup, from the CI server to the artifact repository, metrics server and version control system. [read]

What Big Data Is Used for at Facebook Just a couple of examples: product and brand engagement, advertising. tags:bigdata,… [read]

SAVE-THE-DATE Mark your calendar for a unique and exciting JBoss Enterprise Application Platform Virtual Event called “Ease Into Cloud” on Wednesday, June 20 at 11 a.m. ET or Thursday,… [read]

Dmitriy Setrakyan introduces GridGain, comparing it and outlining the cases where it is a better fit than Hadoop, accompanied by a live demo showing how to set up a GridGain job. By Dmitriy Setrakyan [read]

Dmitriy Setrakyan introduces GridGain, comparing it and outlining the cases where it is a better fit than Hadoop, accompanied by a live demo showing how to set up a GridGain job. By Dmitriy Setrakyan [read]

import com.google.gson.Gson; import com.google.gson.reflect.TypeToken; import java.lang.reflect.Type; import java.util.HashMap; import java.util.… [read]

Jesper Richter-Reichhelm presents the DevOps integration at Wooga, and how their system architecture has evolved over the years in order to cope with the increasing number of players.… [read]

Jesper Richter-Reichhelm presents the DevOps integration at Wooga, and how their system architecture has evolved over the years in order to cope with the increasing number of players.… [read]