public static HashMap<String, String> accountCredentials = new HashMap<String, String>();
	public static HashMap<String, Integer> accountBalance = new HashMap<String, Integer>();
	
	Bank() {
		
		accountCredentials.put("1234567890", "1234");
		accountBalance.put("1234567890", 13435);
	
		accountCredentials.put("0987654321", "0987");
		accountBalance.put("0987654321", 100);
		
		accountCredentials.put("1029384756", "3423");
		accountBalance.put("1029384756", 29);
		
		accountCredentials.put("9087653421", "9348");
		accountBalance.put("9087653421", 12345678);
	}