![]() You could always annotate the ID field with. Next, you need to create a new field called id and annotate it with Nothing you have done so far is new, but here is where things get interesting. When creating an Entity class in Spring Data JPA you need to mark it with the annotation. Let's start by creating a new class called Product. With our project created, it's time to write some code. Then, you can import the project into your preferred Integrated Development Environment (IDE) and begin development. Once you have entered the details, you can download the project as a zip file and unzip it. Then, fill in your project metadata and select the Web, Spring Data JPA, and H2 dependencies. To create a new project, go to, select Maven as the project type, Java as the language, and the latest stable version of Spring Boot. Create a new Spring Boot project and use one of the new features from Jakarta EE 10. ![]() Now that you have some background on Jakarta EE and why we are discussing it in the context of a Spring Application, it's time to write some code. In Jakarta EE 10, we start to see the evolution of the APIs, which includes new features. Jakarta EE 9 was the version where all the namespace changes from javax.* to jakarta.* were made, without any changes to the APIs. ![]() The two versions are necessary because we will use 10 wherever possible, and fall back to 9 when we can't. The real question is: why are we discussing this now, and why should Spring developers care? This is because Spring Framework 6 now has a baseline on Jakarta EE 9 and 10. In recent years, Jakarta EE has been updated with new APIs, bug fixes, and features, giving developers more options for creating enterprise applications. Formerly known as Java EE (Enterprise Edition), it has been available since 1999. It provides secure, scalable, and extensible tools for creating, deploying, and managing applications. Jakarta EE is an open-source platform for developing enterprise-level applications in Java, maintained and managed by the Eclipse Foundation. This article will also delve into one specific change in Jakarta EE 10, the ability to use a UUID as a primary key, and how it can be easily implemented in a Spring Boot 3 project using Spring Data JPA. We will explore the role of the Eclipse Foundation in furthering the development of Jakarta EE and how it has led to the introduction of new APIs, fixes, and features. In this blog post, we will take a trip down memory lane and discuss the evolution of Jakarta EE (formerly known as Java EE) and its impact on enterprise development in Java. □ The video tutorial for this blog post can be found above or you can click here to watch it on YouTube.
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