The Linked List Iterator Described in the Textbook Maintains a Reference

question 3

Multiple Choice

The linked list iterator described in the textbook maintains a reference to the last visited node, called position, and a reference to the last node before that, called previous.Which of the following statements is NOT correct regarding advancing this iterator?

• A)If another node exists, when the iterator is to be advanced, the position reference must be updated to position.next.
• B)If the iterator currently points before the first element of the list, when the iterator is to be advanced, position must be set to point to the first node in the linked list.
• C)If another node exists, when the iterator is to be advanced, the previous reference must be updated to point to the current location of the iterator
• D)If the iterator currently points before the first element of the list, when the iterator is to be advanced, the position reference must be set to position.next and the previous reference must be set to point to the first node in the linked list.

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Definitions:

Accounts Receivable

Funds that a company is yet to receive from its customers for products supplied or services rendered but haven't been paid for.

Percentage Increase

A measure that calculates the growth of a value over a period as a proportion of the earlier value, often expressed as a percentage.

Sales Data

Information and records of the quantity, price, and terms of sales transactions, used for analysis and business planning.

Preceding Year

The year that directly comes before the current year, often used as a reference point for financial analysis or comparison.