O&B Insights: #java

June 24, 2021 - I’ve been updating some training materials recently, and thinking about better ways of teaching and talking about JPA. One of the things I’ve been thinking...

April 29, 2021 - A tutorial on how to use the Template Method to eliminate error-prone code duplication. If you find that a lot of your routines are exactly...

March 18, 2021 - Hello everyone! In my previous blog post, I basically wrote a small primer on Cloud Computing. In this post, I’ll go a little deeper into the...

March 4, 2021 - The following post is based on the talk I did for one of our weekly S.K.I.L.L (Skill or Knowledge I’ve Learned Lately) learning sessions. Part 1 is...

September 17, 2020 - After spending some time doing sustained engineering (a.k.a. maintaining legacy code), I ventured to reduce repetitive code in Spring MVC @Controllers. I started with an abstract...

February 27, 2018 - If you have been programming in Java long enough, chances are you needed to generate reports for business users. In my case, I’ve seen several...

February 13, 2018 - I was inspired by Carl Papa’s use of aspects with the Spring Framework to determine the DataSource to use (either read-write or read-only). So, I’m writing this...

January 24, 2018 - Now (it’s been years) that Java has gotten functional programming syntax, it can be pretty easy to get carried away and use it unnecessarily. Take...

January 4, 2017 - Lorenzo explains the reason why code in applications is arranged and split in a certain way, and provides tips for arranging your application. In one...

November 14, 2016 - Lorenzo corrects the impression that the domain model pattern is always the best to use. He provides options and tips on when to use (and...