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 ....


Power of Java MemoryMapped File


Power of Java MemoryMapped File In JDK 1.4 an interesting feature of Memory mapped file was added to Java, which allows to map any file to OS memory for efficient reading. A memory mapped file can be used to develop an  IPC type of solution. This article is an experiment with memory mapped file to create IPC. Some details about ...

Read More »

Multilayered Architecture (3) – The Application Layer


Introduction As Business Documents are considered the input for the Domain Layer, System Requirement Specifications are the main input document for the Application Layer. Scope of this layer is to provide an implementation of the defined requirements for the system. So it is easy to understand that most of the logic contained is process oriented and so linked to a ...

Read More »

Typed ask for Akka


Akka is a great tool for writing distributed applications. One thing that always surprised me though is that while being based on Scala, which is a very type-safe language, the elementary construct in Akka – an actor – is not really type safe. You can send any message to any actor, and get back any object in reply. The upcoming ...

Read More »

The Road To Continuous Delivery – Part 2 – Visibility


Previous chapter: The road to continuous delivery – Part 1 Production visibility A key point for a successful continuous delivery is to make the production matrix available to the developers. At the heart of continuous delivery methodology is to empower the developer and make the developers responsible for deployment and successful operations of the production environment. In order for the ...

Read More »

The Road To Continuous Delivery – Part 1


The following series of posts are coming from my experience as the back-end development manager at I will try to tell the story of Wix and how we see and practice continuous delivery, hoping it will help you make the switch too. So you decided that your development process is too slow and thinking to go to continuous delivery ...

Read More »

ARM Virtualization – ARM vs x86 (Part 5)


Sorry for the delay in this post. I could not get to this post in time and wanted to be sure it is well-researched. The final post in this series is a comparison of the hardware support in the ARM and x86 world. As mentioned in the previous post the biggest reason for ARM to include virtualization in their architecture ...

Read More »

Spring Data Solr Tutorial: CRUD (Almost)


In the previous part of my Spring Data Solr tutorial, we learned how we can configure Spring Data Solr. Now it is time to take a step forward and learn how we can manage the information stored in our Solr instance. This blog entry describes how we add new documents to the Solr index, update the information of existing documents ...

Read More »

Spring Data Solr Tutorial: Configuration


In the previous part of my Spring Data Solr tutorial, we learned that Solr provides a REST-like HTTP API which can be used to add information to Solr index and execute queries against indexed data. The problem is that running a separate Solr instance in a development environment is a bit cumbersome. However, not all hope is lost because Solr ...

Read More »

How could Scala do a merge sort?


Merge sort is a classical “divide and conquer” sorting algorithm. You should have to never write one because you’d be silly to do that when a standard library class already will already do it for you. But, it is useful to demonstrate a few characteristics of programming techniques in Scala. Firstly a quick recap on the merge sort. It is ...

Read More »
Want to take your Java Skills to the next level?
Grab our programming books for FREE!
  • Save time by leveraging our field-tested solutions to common problems.
  • The books cover a wide range of topics, from JPA and JUnit, to JMeter and Android.
  • Each book comes as a standalone guide (with source code provided), so that you use it as reference.
Last Step ...

Where should we send the free eBooks?

Good Work!
To download the books, please verify your email address by following the instructions found on the email we just sent you.