Which of the following is a unique feature of Object-oriented programming? O They have syntax.
O They are web-based.
O They use objects that contain data and functions.
O They are interpreted by compilers into binary machine language.

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.