d5 = ((JTextField)jDateChooser1.getDateEditor().getUiComponent()).getText(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd"); Calendar c = Calendar.getInstance(); try { c.setTime(sdf.parse(d5)); } catch (ParseException ex) { Logger.getLogger(Commity.class.getName()).log(Level.SEVERE, null, ex); } c.add(Calendar.MONTH, 1); // number of days to add d5 = sdf.format(c.getTime()); System.out.println(""+d5); try { java.util.Date date = new SimpleDateFormat("yyyy-MM-d").parse(String.valueOf(d5)); jDateChooser1.setDate(date); } catch (ParseException ex) { Logger.getLogger(Commity.class.getName()).log(Level.SEVERE, null, ex); } try { Class.forName("com.mysql.jdbc.Driver"); java.sql.Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3305/commity",