Java date format processing, java date format

Java date format processing, java date format

To process the date format, run the main function:

Package testutil; import java. text. simpleDateFormat; import java. util. calendar; import java. util. date;/*** Created by wangpeng on 2018/2/26. */public class DateFormat {public static void main (String [] args) {SimpleDateFormat sdf = new SimpleDateFormat ("yyyy-MM-dd "); simpleDateFormat sdf1 = new SimpleDateFormat ("yyyy-MM-dd hh: mm: ss"); SimpleDateFormat sdf2 = new SimpleDateFormat ("MM/dd/yyyy hh: mm: ss "); date date = new Date (); Calendar calendar = Calendar ar. getInstance (); calendar. setTime (date); calendar. add (Calendar. DAY_OF_MONTH,-1); date = calendar. getTime (); System. out. println (sdf. format (date); System. out. println (sdf1.format (date); System. out. println (sdf2.format (date ));}}