Long-type turn into Calendar, and obtain operational date

A, Long type turn into Calendar

Calendar endCalendar=Calendar.getInstance();
endCalendar.setTimeInMillis(endTime);

Second, the acquisition date information Calendar

年：endCalendar.get(Calendar.YEAR)
月：endCalendar.get(Calendar.MONTH)
日：endCalendar.get(Calendar.DAY_OF_MONTH)

The same type Date Calendar that is one more step to turn the first into Long to Date

Long time = new Date().getTime();