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MCQ

How do you insert an element at the beginning of the list?

public void insertBegin(Node node)
{
	node.setNext(head);
	head = node;
	size++;
}

public void insertBegin(Node node)
{
	head = node;
	node.setNext(head);
	size++;
}

public void insertBegin(Node node)
{
	Node temp = head.getNext()
	node.setNext(temp);
	head = node;
	size++;
}

public void insertBegin(Node node)
{
	Node temp = head.getNext()
	node.setNext(temp);
	node = head;
	size++;
}

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Binary Trees

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Hash based structures

Graphs

Mixed

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