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++;
}