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 ....

 

Moving My Beers From Couchbase to MongoDB

mongodb-logo

Few days ago I have posted a joke on Twitter:                       Moving my Java from Couchbase to MongoDB pic.twitter.com/Wnn3pXfMGi — Tugdual Grall (@tgrall) January 26, 2015 So I decided to move it from a simple picture to a real project. Let’s look at the two phases of this so called ...

Read More »

Declarative SQL Mode Pitfall

software-development-2-logo

As we know a view object definition supports three SQL modes. There are normal, declarative and expert modes. In this post I’m going to focus on the declarative SQL mode. This smart mode allows the framework to automatically build SQL queries at run time according to the attributes asked by the view layer. Furthermore, depending on the attributes being asked, the frameworks ...

Read More »

Programmatically Determining Java Class’s JDK Compilation Version

java-logo

When it is necessary to determine which JDK version was used to compile a particular Java .class file, an approach that is often used is to use javap and to look for the listed “major version” in the javap output. I referenced this approach in my blog post Autoboxing, Unboxing, and NoSuchMethodError, but describe it in more detail here before ...

Read More »

You Will Regret Applying Overloading with Lambdas!

java-logo

Writing good APIs is hard. Extremely hard. You have to think of an incredible amount of things if you want your users to love your API. You have to find the right balance between: Usefulness Usability Backward compatibility Forward compatibility We’ve blogged about this topic before, in our article: How to Design a Good, Regular API. Today, we’re going to ...

Read More »

The state of Scrum Mastering

agile-logo

As most readers will have worked out, I’m not a fan of Scrum Masters. Partly this is because I find it a very mixed up roll to start with (see my “Hard Core Scrum” post), partly because the way individuals and organizations choose to interpret the role is so variable the title is meaningless but mostly because the Scrum Master ...

Read More »

Java 8 Optional is not just for replacing a null value

java-logo

Overview In Java 8, you can return an Optional instead of return null; as you might do in Java 7. This may or may not make a big difference depending on whether you tend to forget to check for null or whether you use static code analysis to check to nullalbe references. However, there is a more compelling case which ...

Read More »

7 JIRA Integrations to Optimize Your Java Development Workflow

atlassian-jira-logo

What are some of the best integrations available to optimize your JIRA workflow? I love finding ways to wring out some extra efficiency in my workflow. Watching those little automations and smooth processes brings a smile to my face. I know I’m not alone in occasionally having spent far more time getting that little boost to work correctly than it ...

Read More »

SWT Look and Feel: Customize FlatScrollBar Color and More

java-logo

Recently I introduced a custom slider control useful for improving the SWT look and feel of more subtle view layouts. Happily it seems the widget already found early adopters outside of the Code Affine world. Which led to some enhancements that will be presented in the following sections.                 SWT Look and Feel ...

Read More »

OptaPlanner – Scaling Vehicle Routing with Nearby Selection

optaplanner-logo

OptaPlanner 6.2 has made big step forward for the Vehicle Routing Problem (VRP), Traveling Salesman Problem (TSP) and similar use cases. The new feature nearby selection enables it to scale to bigger problems much more efficiently without sacrificing potential optimal solutions (which is common for inferior techniques). Let’s take a closer look at nearby selection with the Vehicle Routing Problem. ...

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