Do you want to know how to develop your skillset to become a Java Rockstar?

Subscribe to our newsletter to start Rocking right now!

To get you started we give you our best selling eBooks for FREE!

1. JPA Mini Book

2. JVM Troubleshooting Guide

3. JUnit Tutorial for Unit Testing

4. Java Annotations Tutorial

5. Java Interview Questions

and many more ....

 

Why You Scared Off the Ninja

career-logo

The saying goes you never get a second chance to make a first impression, and it is well-documented that this is never more true than in the effort to hire great technical talent. Complaints about the interview practices of some companies and anecdotes about how recruiters make foolish approaches are quite popular reads lately. As someone in the hiring business, ...

Read More »

Installing TomEE from Puppet

puppet-labs-logo

Apache TomEE is an all-Apache stack aimed at Java EE 6 Web Profile certification where Tomcat is top dog. It is the conjunction of Tomcat + Java EE. Puppet is a tool designed to manage the configuration of our systems declaratively. We only have to describe system resources and their state. This description is stored in the core-files of Puppet, ...

Read More »

Lies, statistics and vendors

software-development-2-logo

Overview Reading performance results supplied by vendors is a skill in itself.   It can be difficult to compare numbers from different vendors on a fair basis, and even more difficult to estimate how a product will behave in your system. Lies and statistics One of the few quotes from University I remember goes roughly like this:   Peak Performance – A ...

Read More »

Upload on Amazon S3 with the jclouds library

java-interview-questions-answers

There are several good ways to upload content to an S3 bucket in the Java world – in this article we’ll look at what the jclouds library provides for this purpose. To use jclouds – specifically the APIs discussed in this article, this simple Maven dependency should be added to the pom of the project:           ...

Read More »

JavaFX Library for Inverse Kinematics 2.0

java-logo

This is the first tutorial explaining the basics of javafx-ik, a library for inverse kinematics with JavaFX. The sources of the library can be downloaded from GitHub. What is a Bone object ? A bone is the fundamental building block for inverse kinematics with the library  javafx-ik. A bone has a length and a joint around which it can be ...

Read More »

Glassfish plugin for JDeveloper 11gR2

oracle-glassfish-logo

As some of you already know, ADF Essentials is a great framework for building web applications using java and it is free to develop and free to deploy. You deploy ADF Essentials applications on Glassfish (3.1+) server. Nevertheless, JDeveloper does not come with an embedded Glassfish server but with an embedded Weblogic server. In this post, we are going to ...

Read More »

Spring MVC Form Validation (With Annotations)

spring-interview-questions-answers

This post provides a simple example of a HTML form validation. It is based on the Spring MVC With Annotations example. The code is available on GitHub in the Spring-MVC-Form-Validation directory.                 Data For this example we will use a bean and JSR303 validation annotations: public class MyUser { @NotNull @Size(min=1,max=20) private String name; @Min(0) @Max(120) private ...

Read More »

“Booting AMX” in GlassFish 3 with Groovy

oracle-glassfish-logo

In my previous blog post, I looked at using JMX as one of multiple methods supported by GlassFish 3 for its administration, monitoring, and management. In this blog post, I look in more detail at monitoring and managing GlassFish 3 via JMX and Groovy. I focus on local connection to GlassFish using the Attach API in this post, but I ...

Read More »

Working with Amazon Web Services (EC2)

amazon-ec2-logo

As posted before I attended to a technical handson AWS training last week. The subjects during these days were of course the standard EC2 and S3 services which I have used before. Added to that we worked with RDS, Elastic Load Balancing, SNS and VPC, Elastic Beanstalk and discussed a lot of terminology and business cases. In this post I ...

Read More »

Evaluating new frameworks, libraries and technologies

software-development-2-logo

Introduction New frameworks and libraries are developed so fast it is nearly impossible to evaluate all of them. This can make it hard to judge whether a particular technology is worth investing (time) in. This post gives you some tips which may help when evaluating new technology. Conceptual level Although there are many different libraries and frameworks, most of them ...

Read More »
Do you want to know how to develop your skillset and become a ...

Subscribe to our newsletter to start Rocking right now!

To get you started we give you our best selling eBooks for FREE!
Get ready to Rock!
To download the books, please verify your email address by following the instructions found on the email we just sent you.

THANK YOU!

Close