17. In terms of OOP, the collection of objects is called Class Inheritance Polymorphism Method overloading > 18. Assuming a dog is an object, which of the following could represent its states or variables? name barking color running fast Options A&B Options A&C mmo 19. Reference-type instance variables such as "Scanner name;" are initialized by default to the value <.00 empty byte in java primitive-type local variables are initialized by default true false>