The keyword "final" means that the data will not be able to be edited at a later time. The code: final int accounts = 10; would make the integer "accounts" equal to ten and would return an error if...
if we declare a method as final then it can be changed.
The final modifier has nothing to do with access. If your "outer" classes can see the method, they can access them just like any other methods.
class is identifier
The core classes in the java.lang.* package (e.g. String, Integer, double, Boolean, etc.) are all declared final.