public class FNode {
	String data;
	FNode next;
	FNode prev;
	
	public FNode(){
		this.data = "";
		this.next = this;
		this.prev = this;
	}
	
	public FNode(String data){
		this.data = data;
		this.next = this;
		this.prev = this;
	}
	
	public void setData(String data){
		this.data = data;
	}
	
	public void setNext(FNode next){
		this.next = next;
	}
	
	public void setPrev(FNode prev){
		this.prev = prev;
	}
	
	public String getData(){
		return data;
	}
	
	public FNode getNext(){
		return next;
	}
	
	public FNode getPrev(){
		return prev;
	}
}