/**Node of a doubly linked list of strings*/
public class DNode<E> {
	private E element;  //String element stored by a node
	private DNode<E> next,prev; //References to next and previous nodes
	/**Constructor that creates a node with given fields*/
	public DNode(E e, DNode<E> p, DNode<E> n){
		element=e;
		prev=p;
		next=n;
	}
	
	/** Returns the element of this node */
	  public E getElement(){return element;}
	/**Returns the previous node of this node */
	  public DNode<E> getPrev(){return prev;}
	/**Returns the next node of this node*/
	  public DNode<E> getNext(){return next;}
	/**Sets the element of this node */
	  public void setElement(E newElem){element=newElem;}
	/**Sets the previous node of this node */
	  public void setPrev(DNode<E> newPrev){prev=newPrev;}
	/**Sets the next node of this node */
	  public void setNext(DNode<E> newNext){next=newNext;}

}