COMPUTER SCIENCE AND ENGINEERING
DATA STRUCTURES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You cannot have the ‘next’ pointer point to null in a circular linked list
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It is faster to traverse the circular linked list
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You may or may not have the ‘next’ pointer point to null in a circular linked list
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Head node is known in circular linked list
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Detailed explanation-1: -The normal linked list has the last node with a null pointer but a circular linked list always points to the head of the linked list means that the linked list is strat with the head and in the end, it again points to the head. As the name indicates that the circular linked lists and a circle have no ends.
Detailed explanation-2: -Explanation: The ‘next’ pointer points to null only when the list is empty, otherwise it points to the head of the list. Every node in a circular linked list can be a starting point(head).
Detailed explanation-3: -A circular doubly linked list contains 2 NULL pointers. The ‘Next’ of the last node points to the first node in a doubly-linked list.
Detailed explanation-4: -Answer: D) Explanation: Circular Linked List stores the pointer of the head node in the next pointer of the last node.
Detailed explanation-5: -Circular linked list is simply a singly or doubly linked list in which the last node or tail is pointing to the head or first node. Circular linked list is a linked list where all nodes are connected to form a circle. There is no NULL at the end.