Use the @WebFilter annotation with at least ... Specify initialization parameters for the filter (optional). - Specify filter mapping, either to Java servlets or URL patterns.

To use Hibernate in your Java application ... You also need to configure the database connection and the mapping between your Java classes and the database tables. You can do this using XML ...

Define a RestTemplate or WebClient Bean: Use RestTemplate or WebClient to call the external ... These are not entity classes mapped to a database but simple POJOs (Plain Old Java Objects) for ...