public class SingleList {

	SNode head = null;
	SNode tail = null;
	
	//Below is the Node class to be used for packets in
	//a singly linked list
	private class SNode {
		Packet p;  // packet reference
		SNode next;  //next pointer
		
		//Constructor for a Node, default
		private SNode (Packet p) {
			setPacket(p); this.next = null;
		}
		private void setNext(SNode s){ 
			this.next = s; 
		}
		private SNode getNext() {
			return next;
		}
		private void setPacket (Packet p) {
			this.p = p;
		}
		private Packet getPacket() {
			return p;
		}
	}
	
	//pre - p is a valid packet
	//post - a new node containing p has been added to the
	//			end of the linked list
	public void addNode(Packet p){
		System.out.println ("addNode not implemented yet");
	}	
	
	//post - if the list is empty, it returns "List empty\n"
	//			if the list is not empty, it adds each packet to string along with
	//			a \n after the packet
	public String  toString() {
		System.out.println ("toString not implemented yet");
		return "";
	}
	
	// Use this main to test your list
	public static void main (String[] args) {
	}
}