// Page 236

public class ListNode
{
	private String data;
	private ListNode link;
	public ListNode()
	{
		data = null;
		link = null;
	}
	public ListNode(String nD, ListNode nL)
	{
		data = nD;
		link = nL;
	}
	public void setData(String nD)
	{
		data = nD;
	}
	public String getData()
	{
		return data;
	}
	public void setLink(ListNode nL)
	{
		link = nL;
	}
	public ListNode getLink()
	{
		return link;
	}
	public static void main(String[] args)
	{
		ListNode last = new ListNode();
		last.setData("Treacy Meet");

		System.out.println("List: " + last.getData());

/*	// use default const
		ListNode mid = new ListNode();
		mid.setData("Park Lee");
		mid.setLink(last);
*/
		// use general
		ListNode mid = new ListNode("Park Lee", last);

		System.out.println("List: " + mid.getData() + ", " + mid.getLink().getData());

		ListNode first = new ListNode();
		first.setData("John Smith");
		first.setLink(mid);

		System.out.println("List: " + first.getData() + ", " + first.getLink().getData()
						+ ", " + first.getLink().getLink().getData());


	}
}