//
//	ListNode class

public class ListNode
{
	private String data;
	private ListNode link;
	public ListNode()
	{
		data = null;
		link = null;
	}
	public ListNode(String d, ListNode l)
	{
		data = d;
		link = l;
	}
	public void setData(String d)
	{	data = d;	}
	public void setLink(ListNode l)
	{	link = l;	}
	public String getData()
	{	return data;	}
	public ListNode getLink()
	{	return link;	}

	public static void main(String[] args)
	{
		ListNode head = new ListNode();
		head.setData("Jon");
		ListNode temp = new ListNode("Smith", head);
		head = temp;
		temp = temp.getLink();
		ListNode temp1 = new ListNode("Lee", null);
		temp.setLink(temp1);
		// out the third one?
		System.out.println(temp.getLink().getData());
		// out the second one?
		System.out.println(temp.getData());
		// out the first?
		System.out.println(head.getData());
	}
}