Java Tools Class (v) Date format string and date implementation Mutual transfer

JAVA string to date or date to string

In the project development process, we need to implement the date format of the string and date to each other, and the date of the addition and subtraction operation.

The Demo is as follows:

Package weiming.lmapp.utils; Import Java.text.parseexception;import Java.text.simpledateformat;import java.util.Date; public class Dateconvert {/*** date converted to String * @param date * @return str*/public static string datetostr (date date) {     Simpl Edateformat format = new SimpleDateFormat ("Yyyy-mm-dd HH:mm:ss");   String str = format.format (date);   return str;}  /*** string converted to date * @param str* @return date*/public static date strtodate (String str) {     SimpleDateFormat format = new Simp Ledateformat ("YyyyMMdd");   Date date = null;   try {    date = Format.parse (str);   } catch (ParseException e) {    e.printstacktrace ();   }   return date;} public static void Main (string[] args) {////date   date = new Date ();//   System.out.println ("date to String:" + D ATECONVERT.DATETOSTR (date));//   System.out.println ("String to date:" + dateconvert.strtodate (DATECONVERT.DATETOSTR ( date)));  

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Java Tools Class (v) Date format string and date implementation Mutual transfer