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MCQ

Important concept related to lists is of

Location

Position

Arrays

Pointers

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Consider the following doubly linked list: head-1-2-3-4-5-tail. What will be the list after performing the given sequence of operations?

	Node temp = new Node(6,head,head.getNext());
	Node temp1 = new Node(0,tail.getPrev(),tail);
	head.setNext(temp);
	temp.getNext().setPrev(temp);
	tail.setPrev(temp1);
	temp1.getPrev().setNext(temp1);

head-0-1-2-3-4-5-6-tail

head-1-2-3-4-5-6-tail

head-6-1-2-3-4-5-0-tail

head-0-1-2-3-4-5-tail

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MCQ

What are implicit and explicit implementations of freelists?

garbage collection and new or malloc operators respectively

new or malloc and garbage collection respectively

implicit implementation is not favored

explicit implementation is not favored

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MCQ

Is a skip list like balanced tree?

May be

Can't say

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MCQ

Since a doubly-linked list allows traversing in both the forward and backward directions, it is also referred to as a___________.

Multi-way list

One-way list

Two-way list

None of the above

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MCQ

What is the functionality of the following code?

public void function(Node node)
{
	if(size == 0)
		head = node;
	else
	{
		Node temp,cur;
		for(cur = head; (temp = cur.getNext())!=null; cur = temp);
		cur.setNext(node);
	}
	size++;
}

Inserting a node at the beginning of the list

Deleting a node at the beginning of the list

Inserting a node at the end of the list

Deleting a node at the end of the list

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Hash based structures

Graphs

Mixed

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