public class QueueNode
{
	private QueueNode previous;
	private Object data;
	
	public QueueNode(QueueNode previous_, Object data_)
	{
		previous = previous_;
		data = data_;
	}
	
	public Object getData()
	{
		return data;
	}
	
	public QueueNode getPrevious()
	{
		return previous;
	}
	
	public void setPrevious(QueueNode previous_)
	{
		previous = previous_;
	}
}