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 ....
I agree to the Terms and Privacy Policy

Android Game Development – OpenGL Texture Mapping

In the previous two articles (article 1 and article 2) I have tried to introduce OpenGL ES on android. Now let’s take it further and build on them. In this article we will create a billboard (which is a square) and we will apply a texture onto it. A texture is nothing more than a bitmap image. When we work ...

Read More »

Scala Tutorial – Maps, Sets, groupBy, Options, flatten, flatMap

Preface This is part 7 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the links page of the Computational Linguistics course I’m creating these for. Additionally you can find this and other tutorial series on the JCG Java Tutorials page. Lists (and other sequence ...

Read More »

Spring Insight – Web Application Profiling

Are you writing Web Applications using Spring Framework? Have you ever thought what’s going on under the hood? Why your application is responding so slowly? Why the snail outside your window is disappearing in the distance so fast while you still wait for your application response? You should :) and the Spring Insight can be very helpful with this task. ...

Read More »

Scala Tutorial – regular expressions, matching and substitutions with the scala.util.matching API

Preface This is part 6 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the links page of the Computational Linguistics course I’m creating these for. Additionally you can find this and other tutorial series on the JCG Java Tutorials page. This post is the ...

Read More »

Best Of The Week – 2011 – W40

Hello guys, Time for the “Best Of The Week” links for the week that just passed. Here are some links that drew JavaCodeGeeks attention: * Getting Started with JPA 2 Tutorial: A beginner’s guide to JPA using EclipseLink as the implementation, MySQL as the DBMS and JUnit for the unit tests. Also, check out “Java Persistence API: a quick intro…“. ...

Read More »

Java EE6 Decorators: Decorating classes at injection time

A common design pattern in software is the decorator pattern. We take a class and we wrap another class around it. This way, when we call the class, we always pass trough the surrounding class before we reach the inner class. Java EE 6 lets us create decorators through CDI, as part of their AOP features. If we want to ...

Read More »

Scala Tutorial – regular expressions, matching

Preface This is part 5 of tutorials for first-time programmers getting into Scala. Other posts are on this blog, and you can get links to those and other resources on the links page of the Computational Linguistics course I’m creating these for. Additionally you can find this and other tutorial series on the JCG Java Tutorials page. This post is the first of ...

Read More »