public class TreeNode
{
	private final String name;
	
	private final TreeNode left;
	private final TreeNode right;
	
	/** Used to construct a leaf node.
	 * 
	 * @param name
	 */
	public TreeNode(String name)
	{
		this.name = name;
		left = null;
		right = null;
	}
	
	public TreeNode(String name, TreeNode left, TreeNode right)
	{
		this.name = name;
		this.left = left;
		this.right = right;
	}
}