Introduction - If you have any usage issues, please Google them yourself
final-modifier (keyword) if a class was declared to be final, means that it should not send another gives rise to new sub-category, as a parent should not be inherited. Therefore a class should not be a statement not only for the abstract, and it was a statement for the final. The variable or method statement for the final, can ensure that they are not in use change. Was a statement for the final variable must be given in a statement when the initial value, and in subsequent references only read, can not be amended. Was a statement for the final approach can only use the same can not be overloaded