In the textbook implementation of the LinkedListIterator class, when updating the position, what happens if the iterator tries to point before the first element of the list?
A)The position is set to position.next
B)The position is set to null
C)The position is set to first
D)The position is set to previous

Question

Quizplus · Accepted Answer

If the iterator tries to point before the first element of the list, the position should be set to the first element of the list. This is because before the first element, there is no valid node, and the first element of the list is the starting point for iteration. Therefore, option C is the correct choice.

In the Textbook Implementation of the LinkedListIterator Class, When Updating