By inheriting a class Question 15 1 pts One primary use case of encapsulation is to O protect an object's data from invalid changes make automated unit testing easier construct an inheritance hierarchy for an object extract only the essential qualities of an object D Question 16 1 pts D Question 27 1 pts What is listed in the attributes section of a class diagram? The variables of the class The name of the class The algorithms of the class The methods of the class