Which of the Following Correctly Initializes a Doubly Linked List

question 40

Multiple Choice

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

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

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