The Java API for WebSocket was introduced in Java EE 7; therefore, we must select
this Java EE version if we want to develop WebSocket applications. The default
values in this step of the wizard are sensible and can be used as they are:
In our example, we will be using JSF for the user interface. Therefore, we need to
select JavaServer Faces from the Frameworks list.
Now, we are ready to develop our WebSocket application.