Java calculates two date months, days

Package Com.myjava;import Java.text.parseexception;import Java.text.simpledateformat;import Java.util.Calendar; public class MyCalendar {    /**     * @param args     * @throws parseexception     *    /public static void main ( String[] args) throws ParseException {        System.out.println (mycalendar.getmonthspace ("1982-12-8", "2012-12-12"));    } /**     *      * @param date1 <String>     * @param date2 <String>     * @return int     * @throws ParseException     *    /public static int Getmonthspace (string date1, String date2)            throws ParseException { C15/>int result = 0;        SimpleDateFormat SDF = new SimpleDateFormat ("Yyyy-mm-dd");        Calendar C1 = Calendar.getinstance ();        Calendar C2 = calendar.getinstance ();        C1.settime (Sdf.parse (date1));        C2.settime (Sdf.parse (Date2));        result = C2.get (calendar.month)-C1.get (calendar.month);        return result = = 0? 1:math.abs (result);}    }

     * @param date1 <String>     * @param date2 <String>     * @return int     * @throws parseexception     */
   public int Getdatespace (String date1, String date2)            throws parseexception {        int result = 0;        Calendar calst = Calendar.getinstance ();        Calendar caled = Calendar.getinstance ();        Calst.settime (Parsedate ("YyyyMMdd", Date1));        Caled.settime (Parsedate ("YyyyMMdd", Date2));          Set time is 0 o'clock            calst.set (calendar.hour_of_day, 0);            Calst.set (calendar.minute, 0);            Calst.set (Calendar.second, 0);            Caled.set (calendar.hour_of_day, 0);            Caled.set (calendar.minute, 0);            Caled.set (Calendar.second, 0);           Get two dates with a difference of days            int day = ((int) (Caled.gettime (). GetTime ()/1000)-(int) (Calst.gettime (). GetTime ()/1000))/3600/ ;                    return days;       }

public static final int Daysbetween (date early, date late) {Java.util.Calendar Calst = java.util.calendar.g            Etinstance ();            Java.util.Calendar caled = Java.util.Calendar.getInstance ();             Calst.settime (early);             Caled.settime (late);             Set time is 0 o'clock Calst.set (java.util.Calendar.HOUR_OF_DAY, 0);             Calst.set (Java.util.Calendar.MINUTE, 0);             Calst.set (Java.util.Calendar.SECOND, 0);             Caled.set (Java.util.Calendar.HOUR_OF_DAY, 0);             Caled.set (Java.util.Calendar.MINUTE, 0);            Caled.set (Java.util.Calendar.SECOND, 0); The number of days to get the difference between two dates int day = ((int) (Caled.gettime (). GetTime ()/+)-(int) (Calst. GetTime (                      ). GetTime ()/1000)/3600/24;       return days;            } public static void Main (string[] args) {Date earlydate = new Date ();            Date latedate = new Date (); DateFormat df = dateforMat.getdateinstance ();                try {earlydate = Df.parse ("2009-09-21");            Latedate = Df.parse ("2009-10-16");              } catch (ParseException e) {e.printstacktrace ();             } int days = Daysbetween (earlydate,latedate);       System.out.println (days); }

Java calculates the number of months and days between two dates