public class day {

     public static void main(String[] args) {

         // TODO Auto-generated method stub

         String begintTime = "2019-03-26";

         String endTime =  "2019-03-04";

         for(String days: findDaysStr(begintTime,endTime)){

             System.out.println(days);

         }

     }

     public static List<String> findDaysStr(String begintTime, String endTime) {

         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

         Date dBegin = null;

         Date dEnd = null;

         try {

             dBegin = sdf.parse(begintTime);

             dEnd = sdf.parse(endTime);

         } catch (ParseException e) {

             e.printStackTrace();

         }

         List<String> daysStrList = new ArrayList<String>();

         daysStrList.add(sdf.format(dBegin));

         Calendar calBegin = Calendar.getInstance();

         calBegin.setTime(dBegin);

         Calendar calEnd = Calendar.getInstance();

         calEnd.setTime(dEnd);

         while (dEnd.after(calBegin.getTime())) {

             calBegin.add(Calendar.DAY_OF_MONTH, 1);

             String dayStr = sdf.format(calBegin.getTime());

             daysStrList.add(dayStr);

         }

         return daysStrList;

     }

 }