Java method for obtaining the time year, month, and day

Java method for obtaining the time year, month, and day

This example describes how to obtain the date of year, month, and day in Java. Share it with you for your reference. The specific implementation method is as follows:

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Package com. date. demo; Import java. text. ParseException; Import java. text. SimpleDateFormat; Import java. util. Calendar; Import java. util. Date; Public class DateDemo { Public static void main (String args []) { System. out. println ("--------------- obtain the year, month, and day of the current time -----------------"); GetMonthDay (); System. out. println ("--------------- obtain the year, month, and day of the custom time -----------------"); GetMonthDay2Set (); } /** * Get the year, month, and day of the custom time */ Private static void getMonthDay2Set (){ String dateStr = "18:45:39 "; SimpleDateFormat sdf = new SimpleDateFormat ("yyyy-MM-dd HH: mm: ss "); Calendar cal = Calendar. getInstance (); Date dt = null; Try { Dt = sdf. parse (dateStr ); Cal. setTime (dt ); } Catch (ParseException e ){ // TODO Auto-generated catch block E. printStackTrace (); } Int year = cal. get (Calendar. YEAR ); Int month = cal. get (Calendar. MONTH) + 1; Int day = cal. get (Calendar. DAY_OF_MONTH ); Int hour = cal. get (Calendar. HOUR_OF_DAY ); Int minute = cal. get (Calendar. MINUTE ); Int second = cal. get (Calendar. SECOND ); System. out. println ("= year =" + year ); System. out. println ("= month =" + month ); System. out. println ("= day =" + day ); System. out. println ("====" + hour ); System. out. println ("====" + minute ); System. out. println ("= seconds =" + second ); } /** * Get the year, month, and day of the current time */ Private static void getMonthDay (){ Calendar cal = Calendar. getInstance (); Int year = cal. get (Calendar. YEAR ); Int month = cal. get (Calendar. MONTH) + 1; Int day = cal. get (Calendar. DAY_OF_MONTH ); Int hour = cal. get (Calendar. HOUR_OF_DAY ); Int minute = cal. get (Calendar. MINUTE ); Int second = cal. get (Calendar. SECOND ); System. out. println ("= year =" + year ); System. out. println ("= month =" + month ); System. out. println ("= day =" + day ); System. out. println ("====" + hour ); System. out. println ("====" + minute ); System. out. println ("= seconds =" + second ); } }

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