public void connect(String userName, String userPassword, String databaseUrl, String userQuery){
        Connection con = null;
        String url = databaseUrl;
        String driver = "com.mysql.jdbc.Driver";
        try{
            Class.forName(driver);
            con = DriverManager.getConnection(url,userName,userPassword);
            try{
                Statement st = con.createStatement();
                int val = st.executeUpdate(userQuery);
                System.out.println("1 row affected");
            }
            catch (SQLException s)
            {
                System.out.println("SQL statement is not executed!");
            }
        }
        catch (Exception e){
          e.printStackTrace();
        }
    }