Using JPA for smart data persistence

Jakarta Persistence (formerly JPA) is a specification that describes an interface for managing relational databases using Jakarta EE.

It eases data manipulation and reduces a lot of the code written for it, especially if you are used to the SQL American National Standards Institute (ANSI).

This recipe will show you how to use it to persist your data.

Getting ready

First, let's add the required dependencies:

        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.3.1.Final</version>
        </dependency>
        <dependency>
            <groupId...