If We Want a Create a Doubly-Linked List Data Structure

question 84

Multiple Choice

If we want a create a doubly-linked list data structure so that we can move from a node to the next node as well as to a previous node, we need to add a previous reference to the Node class.Each such DNode (doubly-linked Node) will have a data portion and two DNode references, next and previous.How many references need to be updated when we remove a node from the middle of such a list? Consider the neighboring nodes.

• A)1
• B)2
• C)3
• D)4

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Definitions:

Profit

The financial gain obtained when the amount of revenue gained from a business activity exceeds the expenses, costs, and taxes involved in sustaining the activity.

Units

Refers to a standard quantity or measurement used for comparison and calculation, such as in physics or mathematics.

Month

A unit of time, approximately 30 days, used as a standard measurement for billing cycles, budgeting, and financial forecasting.

Variable Cost

Costs that vary directly with the level of production or output, such as materials and labor costs.