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 ...
The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how Java ...
Any web based application can be built on the concept of a multi-tier, MVC model. For better maintainability, applications should be designed in such a way that the Presentation Layer and the Business ...