public void createGraph() {
		ComputerNode c1 = new ComputerNode (0, 2); // computer 0 at time stamp 2
		ComputerNode c2 = new ComputerNode(1,2);  // computer 1 at timestamp 2
		c1.addNeighbor(c2); // adding an edge
		c2.addNeighbor(c1);

		map.put(0, c1);

		map.put(0, listComputers.add(c2));

		map.put(1, listComputers.add(c2));
		//map.entrySet(0, c1);


		if(listComputers.contains(c1)) {

		} else {
			listComputers.add(c1);
		}
	}