public class Create_CSV {
    private Component frame; {
        try {
            PrintWriter pw= new PrintWriter(new File("D:\\device_1-Table-View.csv"));
            StringBuilder sb=new StringBuilder();
            Connection connection=null;
            dbConnection obj_dbConnection=new dbConnection();
            connection=obj_dbConnection.getConnection();
            ResultSet rs=null;
            String query="select * from device_1";
            PreparedStatement ps=connection.prepareStatement(query);
            rs=ps.executeQuery();
                while(rs.next()){
                sb.append(rs.getString("ID"));
                sb.append(",");
                sb.append(rs.getString("Temperature"));
                sb.append(",");
                sb.append(rs.getString("Time"));
                sb.append(",");
                sb.append("\r\n"); }
            pw.write(sb.toString());
            pw.close();
            System.out.println("finished");
            JOptionPane.showMessageDialog(frame,
                    "Your file is saved on D:\\ drive");
        } catch (Exception e) {
            JOptionPane.showMessageDialog(frame,
                    "Please try your location to save file",
                    "Location error",
                    JOptionPane.ERROR_MESSAGE);
            // TODO: handle exception
        } }}