Android How can I Convert String to Date

Question

I store current time in database each time application starts by user   Calendar c   Calendar getInstance        String str   c getTime   toString        Log i  Current time   str     In database side  I store current time as string  as you see in above code   Therefore  when I load it from database  I need to cast it to Date object  I saw some samples that all of them had used  DateFormat   But my format is exactly as same as Date format  So  I think there is no need to use  DateFormat   Am I right   Is there anyway to directly cast this String to Date object  I want to compare this stored time with current time   Thanks          update  Thanks dear guys  I used following code   private boolean isPackageExpired String date           boolean isExpired false          Date expiredDate   stringToDate date   EEE MMM d HH mm ss zz yyyy                    if  new Date   after expiredDate   isExpired true           return isExpired             private Date stringToDate String aDate String aFormat           if aDate  null  return null        ParsePosition pos   new ParsePosition 0         SimpleDateFormat simpledateformat   new SimpleDateFormat aFormat         Date stringDate   simpledateformat parse aDate  pos         return stringDate

User · Answer

It could be a good idea to be careful with the Locale upon which c.getTime().toString(); depends.

One idea is to store the time in seconds (e.g. UNIX time). As an int you can easily compare it, and then you just convert it to string when displaying it to the user.

User · Answer

String source    24 10 17    String   sourceSplit  source split        int anno  Integer parseInt sourceSplit 2    int mese  Integer parseInt sourceSplit 1    int giorno  Integer parseInt sourceSplit 0         GregorianCalendar calendar   new GregorianCalendar      calendar set anno mese-1 giorno     Date   data1  calendar getTime      SimpleDateFormat myFormat   new SimpleDateFormat  20yy-MM-dd         String   dayFormatted  myFormat format data1        System out println  data formattata -- gt   dayFormatted

User · Answer

From String to Date  String dtStart    2010-10-15T09 27 37Z     SimpleDateFormat format   new SimpleDateFormat  yyyy-MM-dd T HH mm ss Z       try         Date date   format parse dtStart         System out println date       catch  ParseException e        e printStackTrace          From Date to String  SimpleDateFormat dateFormat   new SimpleDateFormat  yyyy-MM-dd T HH mm ss Z       try         Date date   new Date          String dateTime   dateFormat format date       System out println  Current Date Time       dateTime      catch  ParseException e        e printStackTrace

User · Answer

import java text ParseException       import java text SimpleDateFormat       import java util Date       public class MyClass              public static void main String args                 SimpleDateFormat formatter   new SimpleDateFormat  EEE MMM dd HH mm ss Z yyyy          String dateInString    Wed Mar 14 15 30 00 EET 2018         SimpleDateFormat formatterOut   new SimpleDateFormat  dd MMM yyyy           try            Date date   formatter parse dateInString           System out println date           System out println formatterOut format date                catch  ParseException e            e printStackTrace                                here is your Date object date   and the output is     Wed Mar 14 13 30 00 UTC 2018  14 Mar 2018

User · Answer

using SimpleDateFormat or DateFormat class through  for e g    try  SimpleDateFormat sdf   new SimpleDateFormat  dd MM yyyy       here set the pattern as you date in string was containing like date month year Date d   sdf parse  20 12 2011     catch ParseException ex          handle parsing exception if date string was different from the pattern applying into the SimpleDateFormat contructor

User · Answer

SimpleDateFormat dateFormat   new SimpleDateFormat  dd-MM-yyyy    Date d   dateFormat parse datestring

[android] Android, How can I Convert String to Date?

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