SimpleDateFormat sdf = new SimpleDateFormat("yyyy-mm-dd"); String recup=aaa5.getSelectedItem()+"-"+mm5.getSelectedItem()+"-"+jj5.getSelectedItem();//ané+moi +jour Date d=sdf.parse(recup); recup= DateFormat.getDateInstance().format(d); System.out.println("la datede creation est: " +recup);