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The SinglyLinkedList class's removeFirst method has an added feature that resets the tail field to null when the last node of a list is deleted (as seen in lines 51 and 52 in the code snippet). Discuss whether this modification to the class could affect its functionality.

The SinglyLinkedList class's removeFirst method has an added feature that resets the tail field to null when the last node of a list is deleted (as seen in lines 51 and 52 in the code snippet). Discuss whether this modification to the class could affect its functionality.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Here is a code from the textbook, public E removeFirst() { if (isEmpty()) return null; E answer head.getElement(); head = head.getNext(); size--; if (size == 0) tail = null; return answer; 46 47 48 49 50 51 52 53 54 } // removes and returns the first element // nothing to remove // will become null if list had only one node // special case as list is now empty The SinglyLinked List class's removeFirst method has an added feature that resets the tail field to null when the last node of a list is deleted (as seen in lines 51 and 52 in the code snippet). Discuss whether this modification to the class could affect its functionality. There are no negative consequences if removing those lines The code fails, memory error Decrease in efficiency the internal state may be inconsistent with tail referencing a defunct node
Transcribed Image Text:Here is a code from the textbook, public E removeFirst() { if (isEmpty()) return null; E answer head.getElement(); head = head.getNext(); size--; if (size == 0) tail = null; return answer; 46 47 48 49 50 51 52 53 54 } // removes and returns the first element // nothing to remove // will become null if list had only one node // special case as list is now empty The SinglyLinked List class's removeFirst method has an added feature that resets the tail field to null when the last node of a list is deleted (as seen in lines 51 and 52 in the code snippet). Discuss whether this modification to the class could affect its functionality. There are no negative consequences if removing those lines The code fails, memory error Decrease in efficiency the internal state may be inconsistent with tail referencing a defunct node
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