// 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;
	}
}