Open JDeveloper with "Default role" option, to activare al environment features. We are interested in JEE and database development features. File > New > Java EE Web Application, then we are creating the new application estructure:

Put the name "HRApplication", and it creates two projects on the app:

• ViewController: contains the view of our application, which corresponds with ADF technology based on JSF standard.
• Model: contains EJB session beand and JPA entities.

To create a database connection go to the "Database Navigator" tab, and with right buton> New, introduce the connection configuration:

Drag and drop the connection to our application:

Then we are ready to start modeling and programming.