This project steps back from "Spring Magic" to show how the Jakarta Persistence API (JPA) actually works under the hood. It demonstrates the explicit lifecycle management of Java entities—from ...

You’ll also get started with JPA Query Language (JPQL) and use it to execute a few simple database operations on the example application. The complete source code for the example application can be ...

There are the following entities: Company, Department and Employee. The entities relates to each other as follows: o Company relates to Department as one-to-many o Department relates to Company as ...

Integrating Ehcache with Spring-based applications is actually fairly easy. Let's look at this integration with a sample BuddyManagement application. We have a BuddyManagementSample application. The ...