In the land of software development, we sure love acronyms. Our acronyms in the land of Java-apps-talking-to-database, there is no shortage there. And maybe this leads to confusion: What do I use? Everyone else is using JPA? Should I? But I heard about Spring Data JDBC? …

Spring Data provides all kinds of ways to interact with your data store. But do you know them ALL? Odds are, you haven’t seen them all. And you may be suffering from wasting your time on some queries because of it. In this article, find out ALL the ways you…

Once, long ago, a fledgling coder grasped a beautiful tome titled “Design Patterns: Elements of Reusable Object-Oriented Software”. Otherwise known as the “Gang of Four” book. And it was good. He read through it after hours, his ears perking up. Pattern after pattern. And in his very next project, he…

Spring Boot is awesome. Spring Boot is great. It’s the bee’s knees. So why would you NOT want to use it? That’s what we’ll cover in this article. 1 — You already have a working application Something we developers have a problem with is being handed an already-working application. It’s loaded with twisted paths of logic and coded…

I wrote an article over nine years ago talking about this, and it’s woefully due for an update. The struggle with answering this, is that when I was learning the ropes of software engineering, my circumstances were different. For one thing, SUN Microsystems was still a company! …

Ever had something go wrong? Systems break. Bugs pop up. Things fall apart. As a scan tickets on Spring Data JPA, I run into this all the time. And what do I do? Half the time, I try to create a “reproducer”. We all like a situation that reproduces someone’s…

Step 1 — Come up with a great topic It’s critical that you pick a topic people won’t be able to put down. If you were to attend a technical conference today, imagine what are people talking about. Because if they’re talking about, they’re probably willing to purchase a book about it! Back in 2014, Spring Boot made its…

I recently picked up a curious ticket. Someone was using an obscure combination of features inside Spring Data JPA. In particular, DTO objects and paging. Say what? Did you know you can write JPQL statements like this? SELECT new com.example.CustomDto(u.firstname, u.lastname) from User u What you’re doing is essentially pre-converting…

As mentioned in my previous article, people select relational over NoSQL databases for new projects. Big time. We’re talking 80% of the time. That’s 4-to-1 for you odds makers. And because no app is truly complete without data, it makes Spring Data JPA rank VERY high in most-selected modules when…