public class wineList
{
	private wineNode head;
	//private wineNode q;
	
	public wineList()
	{
		this.head = null;
		//this.q = null;
	}
	public wineList(wineNode element)
	{
		this.head = element;
		//this.q = element;
		//q.setNext(null);
	}
	private boolean isEmpty()
	{
		if(head == null)
			return true;
		else return false;
	}
	public void push(wineNode element)
	{
		if(isEmpty())
		{
			//this.q = element;
			//q.setNext(null);
			this.head = element;
			head.setNext(null);
		}
		else
		{
			//this.q = element;
			//q.setNext(head);
			element.setNext(head);
			this.head = element;
		}		
	}
	public void pop()
	{
		if(!isEmpty())
		{
			//this.q = head;
			this.head = head.getNext();
			//q.setNext(null);
		}
		else System.out.println("Cannot pop, list is empty");

	}
	public void printList()
	{
		wineNode q = head;
		while(q.getNext() != null)
		{
			q = this.head;
			System.out.println(q.toString());
			q = q.getNext();	
		}		
	}	
}