Answer Posted / amit singh

1)abstrat class is just a incomplete class mean to say you
only declare a method when some class extends this abstart
class then it adds some facility in this class when you
define the method body those inherited from the abstract
class.
2)but the fianl class you cn't able to add the new
functionality to this class because extnd the class its not
just mean to make child clss but to means to facilitate
this class with some aditive coding .so means to say that
its complete class you don't able to add new functionality
in this class and you never extends this class .
thanks amit singh

amitsing2008@gmail.com

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