Date and simpledateformat

Common date methods

Return type	Method Name	Remarks
Date	New Date ()	Create current date object
Date	New Date (long DT)	Use the specified number of milliseconds since January 1, to create a date
Boolean	Before (date D)	Returns true if it is before the specified date.
Boolean	After (date D)	After
Long	Gettime ()	Returns the number of milliseconds from 1970.1.1.
Void	Settime (long time)	Set date
Boolean	Equals (Object OBJ)	Judge whether the date is equal
String	Tostring ()	Format date

 

 

Common Methods of simpledateformat class

Return type	Method Name	Remarks
	New simpledateformat ()	Create object
	New simpledateformat (string pattern)	Specify format to create an object
String	Format (Object OBJ)	Format the generated string of an object.
Date	Parse (string text)	Generate a date
Calendar	Getcalendar ()	Get the calendar associated with this date/time formatter
Dateformat	Getinstance ()	Get the short-style default date/time Formatter for date and time

 

 

/************* Date and simpledateformat *****************/
// Public static void main (string [] ARGs ){
// Date = new date ();
// System. Out. println (date); // output the current date
// System. Out. println (date. gettime (); // returns the number of milliseconds since January 1 ,.
//
// Simpledateformat SDF = new simpledateformat ("yyyy-mm-dd hh: mm: SS ");
// System. Out. println (SDF. Format (date); // format the date
//}