Which nodes need to be updated when we insert a new node to become the fourth node from the beginning of a doubly-linked list?
A)The current third and fourth nodes.
B)The current fourth and fifth nodes.
C)The current first node.
D)The current third node.

Question

Quizplus · Accepted Answer

When inserting a new node to become the fourth node in a doubly-linked list, the current third node needs to be updated to point to the new node as its next node, and the current fourth node needs to be updated to point to the new node as its previous node.

Which Nodes Need to Be Updated When We Insert a New