Which of the Following Correctly Initializes a Doubly Linked List

question 7

Multiple Choice

Which of the following correctly initializes a doubly linked list in the default constructor?

• A) head = NULL;
• Back = NULL;
• B) head = 0;
• Back = 0;
• Count = 0;
• C) first = 0;
• Last = 0;
• D) first = NULL;
• Last = NULL;
• Count = 0;

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Definitions:

Flammable Compounds

Substances that can ignite easily and burn rapidly, typically releasing heat and light.

Smoke Explosion

A sudden and intense combustion of suspended particles in a confined area, resulting from a mixture of air and combustible materials.

Backdraft

A dangerous explosive phenomenon that can occur when a fire is starved of oxygen and then oxygen is suddenly reintroduced, often during firefighting efforts.

Water Content

The amount of water contained in a material, expressed as a weight percentage of the material.