A linked list whose last node points back to the list node instead of containing the null pointer________.

Related MCQs

• A _____________ list is a list where the last node contains null pointer.
• Which of the following statement is true?i) Using singly linked lists and circular list, it is not possible to traverse the list backwards.ii) To find the predecessor, it is required to traverse the list from the first node in case of singly linked list.
• __________________ is a header list where the last node contains the null pointer.
• _______________is a header list where the last node points back to the header node.
• A ______________ list is a header list where the node points back to the header node.
• What is the functionality of the following code? Choose the most appropriate answer. public int function() { if(head == null) return Integer.MIN_VALUE; int var; Node temp = head; Node cur; while(temp.getNext() != head) { cur = temp; temp = temp.getNext(); } if(temp == head) { var = head.getItem(); head = null; return var; } var = temp.getItem(); cur.setNext(head); return var; }
• What would be the asymptotic time complexity to add a node at the end of singly linked list, if the pointer is initially pointing to the head of the list?
• A _________is a linked list which always contains a special node called the header node, at the beginning of the list.
• public int function() { if(head == null) return Integer.MIN_VALUE; int var; Node temp = head; while(temp.getNext() != head) temp = temp.getNext(); if(temp == head) { var = head.getItem(); head = null; return var; } temp.setNext(head.getNext()); var = head.getItem(); head = head.getNext(); return var; } What is the functionality of the following code? Choose the most appropriate answer.
• The _________ for a linked list is a pointer variable that locates the beginning of the list.