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 ....



Lesser-Known SQL Features: DEFAULT VALUES


A lesser-known SQL feature is the DEFAULT keyword, which can be used in INSERT and UPDATE statements. Consider the following table, created using standard SQL syntax:                   CREATE TABLE timestamps ( id INTEGER GENERATED BY DEFAULT AS IDENTITY(START WITH 1), t TIMESTAMP DEFAULT CURRENT_TIMESTAMP, CONSTRAINT pk_values PRIMARY KEY (id) ) Now, in ...

Read More »

On Java Collection Waste


This article is about overhead posed by one of the most popular frameworks used – I bet there is close to no applications where the java.util.Collections is not used. The article is based on the fact that the framework provides default values for e.g. initial size of the collections. So we had a hypothesis that most people do not bother ...

Read More »

Good vs Bad Leader


Software is more about people than technology. When I graduated from college, I thought I only had to master technical skills to be a great developer, thinking that people skills are the appanage of managers solely. But experience taught me a good lesson on this one. Whenever I hear that people skills can’t be acquired, and you have to be ...

Read More »

15 hot vs not programming trends


An interesting approach of what’s hot and what’s not in today’s programming is being presented in 15 hot programming trends — and 15 going cold. The 15 new trends of programming are presented in short: 1) Hot: Preprocessors – Not: Full language stacks Programmers nowadays do not create a new programming language. They prefer to just write a preprocessor that ...

Read More »

How Many Lines Of Code Do You Write Every Day?


I was recently asked a bizarre question in an interview – “how many lines of code do you write every day?” I’ve been thinking about that question for a week and realized that it makes sense since she was a C person before migrating to other work a few years ago, not a contemporary java person. To explain, I can ...

Read More »

Securing a JSF application with Java EE security and JBoss AS 7.x


A common requirement for enterprise applications is to have all JSF pages protected behind a login page. Sometimes you even want to have protected areas inside the application that are only accessible by users that own a specific role. The Java EE standards come with all the means you need to implement a web application that is protected by some security ...

Read More »

Why Continuous Improvement Is Worth It?


When we start a new software project, we are typically full of enthusiasm. The whole team thinks that this time we will be able to avoid the mistakes we made in our previous projects. We dream that this time everything will be perfect. And then, we wake up. When the first weeks (or months) are over, we start to notice ...

Read More »

Project Student: Sharding Integration Test Data


This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer and Persistence with Spring Data. All of the integration tests until now have used an in-memory embedded database that did not retain information from run to run. This changes when we fully integrate the REST server with a “real” database server ...

Read More »

Clean Code: Don’t mix different levels of abstractions


We spend more time on reading code than writing. So if the code is more readable then obviously it will increase the developer productivity. Many people associate readability of code with coding conventions like following standard naming conventions, closing file, DB resources etc etc. When it comes to code reviews most of the people focus on these trivial things only, ...

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.