Answer Happy

Which of these is an example of the Principle of Least Privilege? Separating function declarations from function implementations. None of these. Always making getters and setters for member variables. Making member variables private.
What is the most appropriate object design category for the following class? template <class T> class List { public: List(); ~List(); bool isEmpty(); T& operator[](int); void add(T); T remove(int); protected: class Node{ public: T data; Node* next; }; Node* head; Control Collection Entity Boundary