public Users() {
		this.admin = false;
		this.clerk = false;
		this.service = false;
		this.alreadyLogged = false;
		
		try {
			Class.forName(DRIVER);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		
		try {
			connection = DriverManager.getConnection(DB_URL);
			statement = connection.createStatement();
		} catch (SQLException e) {
			e.printStackTrace();
		}
		
		createUsersTable();
	}