Any variable that holds a stage object should never be declared final. True __________________________________________________________________________ The keyword _______________________, when used in a class declaration, indicates that a superclass cannot be extended to a subclass A application program interface ________________is defined as "a set of routines, protocols and tools for building software application." (3 words) Assume a File handle has been obtained using new File().When performing File input/output on strings, scanner's File IO counterpart (opposite) is called ___________ The @ symbol is used to indicate a(n) ____________ annotation _________ A parent class is to a child class as a base class is to a __________derived class The relationship between an Node, parent, control and Toolbar is an example of a(n)___________ (2 words) ____________________________________________