The ________ operator could be used, in some situations, to simplify nested selection structures.

When you think in an object-oriented manner, every object is a member of a ____.

The ____ variable is initialized before entering the loop.

The statements that appear between the while and the end while clauses are called the ________.

The three structures of structured programming are _____.

When a data field within a class is ____, no outside class can use it—including a child class.