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 ....
Email address:

Latency, Throughput and Degree of Concurrency

chrisapotek asked. How do you define throughput and latency for your test? There is not a simple question, so I have replied with a post. Sustained Throughput I consider throughput to be the number of actions a process can perform over a sustained period of time, between 10 seconds and day. (Assuming you have a quite period over night to ...

Read More »

Netty: Using SPDY and HTTP transparently

Most people have already heard about SPDY, the protocol, from google, proposed as a replacement for the aging HTTP protocol. Webservers are browsers are slowly implementing this protocol and support is growing. In a recent article I already wrote about how SPDY works and how you can enable SPDY support in Jetty. Since a couple of months Netty (originally from ...

Read More »

Why Does Management Care About Velocity?

I’ve been talking to people whose management cares about their velocity. “My management wants us to double our velocity.” Or, “My management wants us to do more in a sprint.” Or, “My management wants to know when we will be a hyper-performing team, so they want to know when we will get 12x velocity like Scrum promised.” “Double Your Velocity” ...

Read More »

Maven Integration Testing And Spring Restful Services

Introduction My original blog showed how to seperate maven unit and integration tests using a very simple example. http://johndobie.blogspot.com/2011/06/seperating-maven-unit-integration-tests.html Since then a lot of people asked me for a more realistic example than the one used originally. This post shows how you split your unit and integration tests using the original method in a realistic environment where the application is ...

Read More »

JavaFX-Based SimpleDateFormat Demonstrator

One of the things that can be a little tricky for developers new to Java or even for experienced Java developers new to formatting with Java Dates, is the specification of a date/time format using SimpleDateFormat. The class-level Javadoc-based documentation for SimpleDateFormat is pretty thorough in its coverage of patterns representing various components of a date/time. However, unless one carefully ...

Read More »

Gradle archetype for Spring applications

spring-interview-questions-answers

I am releasing a Gradle archetype useful for creating Java/Groovy applications based on Springframework. Of course, it is not a real archetype because such a creation is not possible.However, with very few steps you can create, edit and deploy an application server. It would be a most accomodating starting point for deployable software projects. This release is an attempt to ...

Read More »

Java Memcached on Mac OS X

Introduction In this article I will explain how you can: Install and Configure Memcached on Mac OS X Use Memcached in your Java Application I won’t go in too much detail about the benefits of using a distributed cache in your applications, but let’s at least provide some use cases for applications that are running in the context of an ...

Read More »

Does your App Support Android 4.0? Think Again

Think your app supports Android 4.0 just because you support 2.2 or 2.3? Maybe not. If your app uses a few common Java classes, you may want to double check your app on several 4.0 devices. Probably like most developers, when we saw Ice Cream Sandwich release, we didn’t have any thoughts that our app may not work properly. All ...

Read More »

Developer’s Fantasies

The moment I became a proud father I almost lost all of my free time. Since then I became a proud father two times more. To make a long story short – I have three kids. This basically means no free time at all. Every now and then when I have five minutes to think clearly I fantasize about things ...

Read More »