The final keyword applied at class level also prevents subclasses from “masquerading” as their immutable parent with very different behavior than that expected for the “immutable” parent ...

The static and final keyword combination effectively provides a more expressive way to declare unchanging variables, compared with an implementation of the const keyword in Java. In terms of fully ...

The warnings would prepare Java developers for a future release that ensures integrity by default by restricting final field mutation, making Java safer and potentially faster.