public static void readConfirmNumbers()//called as soon as program opens
	{	
		try {
			BufferedReader br = new BufferedReader (new FileReader ("AllConfirmNumbers.txt"));
			
			while (br.ready())
			{
				allConfirmNumbers.add(br.readLine());
			}
			br.close();
			
			SellerBackEnd.setDatabaseHash(allConfirmNumbers.get(allConfirmNumbers.size()-1));
			allConfirmNumbers.remove(allConfirmNumbers.size()-1);
		} catch (IOException e) {
			e.printStackTrace();
		}	
	}