- Question 9 Not yet answered Constructors are used to initialize the instantiated objects and are accessible from outside the class. Marked out of 3.00 Select one: True P Flag question O False What is a memory efficient double linked list? Question 10 Not yet answered Select one: Marked out of a. A doubly linked list that uses bitwise AND operator for storing addresses b. Each node has only one pointer to traverse the list back and forth c. An auxiliary singly linked list acts as a helper list to traverse through the doubly linked P Flag question list In a stack, it a user tries to remove an element from an empty stack it is called Question 11 Not yet answered Marked out of 3.00 Select one: a. Overflow b. Empty collection c. Underflow Pas