How does the “final” keyword in Java work? (I can still modify an object.)

Question

In Java we use final keyword with variables to specify its values are not to be changed. But I see that you can change the value in the constructor / methods of

Answer 1

Worth to mention some straightforward definitions:

Classes/Methods

You can declare some or all of a class methods as final, in order to indicate that the method cannot be overridden by subclasses.

Variables

Once a final variable has been initialized, it always contains the same value.

final basically avoid overwrite/superscribe by anything (subclasses, variable "reassign"), depending on the case.