import java.util.List;
import java.util.ArrayList;

public class Pile
{
	protected List l;

	//constructor for the arraylist and assigns l to new empty list
	public Pile()
	{
		this.l = new ArrayList();
	}

	//returns list l
	public Pile(List l)
	{
		this.l = l;
	}

	//returns the size of the list
	public int size()
	{
		return l.size();
	}

	//adds all the cards on the top of the deck
	//starting at the position 0
	public void addTop(List cards)
	{
		l.addAll(0,cards);
	}

	//adds the card at the rank in the list
	public void addTop(Card c)
	{
		l.add(0,c);
	}

	//remove the top of the card
	public Card removeTop()
	{
		return (Card)l.remove(0);
	}

	//keep on removing the top...of the deck
	//specified by the number n...removeTop(3)..
	//removes 3 cards 
	public List removeTop(int n)
	{
		ArrayList top = new ArrayList();
		for (int i=0; i<n && l.size() > 0; i++)
			top.add(l.remove(0));
		return top;
	}

	public Card viewCard(int n)
	{
		return (Card)l.get(n);
	}

	public String toString()
	{
		return l.toString();
	}
}