C = Calendar.getInstance Calendar ();
// YEAR years
// MONTH month, start counting from 0, maximum 11; 0 for January, 11 representatives of 12 months.
// DATE days
// when HOUR
// MINUTE minutes
// SECOND seconds
// int year = c.get (Calendar.YEAR);
// int = month The c.get (the Calendar.MONTH);
// the target date calendar object into
a date c.getTime = dATE ();
DateFormat df = new new SimpleDateFormat ( "yyyy Year MM month dd day");
String str = df.format (dATE);
System.out.println ( "today the date is: "+ str);
calBirthday ();
}
Public static void calBirthday () {
Calendar Calendar.getInstance My = ();
Calendar Calendar.getInstance C = ();
// set the date
my.set (Calendar.YEAR, 2020);
my.set (the Calendar.MONTH , 0);
my.set (Calendar.DATE,. 1);
// get the number of days in the
int day = c.get (Calendar.DATE);
int = MyDay my.get (Calendar.DATE);
int = a MyDay -day;
System.out.println (A);
}