/**
 * This is class Node. *important: data is stored as Object for this exercise
 *
 * @author MUHAMMAD AZRI JASNI
 * @version 10 OCTOBER 2012
 */
public class Node
{
    private Object data;//data carried by this node
    private Node link; // reference to the next node in chain or null if there's none
    /**
     * Constructor for objects of class Node
     */
    //I refer to http:://www.vias.org/javacourse/chap14_02.html
    //and http://www.mycstutorials.com/articles/data_structures/linkedlists

    public Node ()//default constructor
    {}

    public Node (Object data)
    {
        this.data = data;
        this.link = null;
    }
    public Node (Object data, Node link)//if we want to specify the node to point to.
    {
        this.data = data;
        this.link = link;
    }
    //methods: getData(), getLink(), setData(), setLink()
    public Object getData()
    {
        return data;
    }
    public void setData(int data)
    {
        this.data = data;
    }
    public Node getLink()
    {
        return link;
    }
    public void setLink(Node link)
    {
        this.link=link;
    }
}