In the implementation of the lister iterator on a doubly linked list, the method hasNext returns False if the cursor is less than the backing store's length.

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Quizplus · Accepted Answer

The method hasNext should return True if the cursor is less than the backing store's length, as there are still elements in the list that can be iterated over. If the cursor is equal to the length of the backing store, then there are no more elements to iterate over and hasNext should return False.

In the Implementation of the Lister Iterator on a Doubly