/**
	  * This method prints the path from FROM to TO.
	  */
	   private void path(int[] visited, int to){
		   //LinkedList is used to print the vertices in the order FROM to To.
		   LinkedList<Integer> path = new LinkedList<Integer>();
		   int first = to;
			while(visited[to] != to){
				path.addFirst(to);
				to = visited[to];
			}
			path.add(first);
		   for (int i = 0; i < path.size(); i++) {
			   System.out.print(path.get(i));
		   }
	   }