public static Boolean userLogin(String username, String password) throws Exception {
    Boolean bool = null;
    try{
        Connection con = getConnection();
        PreparedStatement query = con.prepareStatement("SELECT * FROM users WHERE Username=? AND Password=?");
        query.setString(1, username);
        query.setString(2, password);

        ResultSet result = query.executeQuery();

        if(result.next()) {
            bool = true;
        }

        } catch(Exception e) {
                System.out.println(e);
            }
    return bool;
}