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Java Data Type Q&A » SimpleDateFormat » SimpleDateFormat 

1. How can I insert special characters in SimpleDateFormat?    stackoverflow.com

I want to insert the word 'at' in a SimpleDateFormat so a date would look like:

Wed, 26 May 2010 at 11:17am
I'm able to make it appear without the at, ...

2. SimpleDateFormat    stackoverflow.com


The following code is giving me the parsed date as "Wed Jan 13 00:00:00 EST 2010" instead of "Wed Jun 13 ...

3. Method not found error in SimpleDateFormat    stackoverflow.com

import java.util.*;    
import java.text.*;

public class GetPreviousAndNextDate
{
    public static void main(String[] args) 
    {       
   ...

4. java SimpleDateFormat behavior    stackoverflow.com

I have a SimpleDateFormat with the pattern yyyy-M-d", and the following scenario:

String str = "02-03-04";        
SimpleDateFormat f = new SimpleDateFormat("yyyy-M-d");
f.setLenient(false);
System.out.println(f.parse(str));
The output is Sat Mar ...

5. SimpleDateFormat giving ParseException for unknown reason    stackoverflow.com

I need to format my date (in Java) which is in String format. When I use the following code, taken from an tutorial/reference source, it just gives the following ...

6. Java SimpleDateFormat returns unexpected result    stackoverflow.com

I'm trying to use SimpleDateFormat of Java to parse a String to date with the following code.

public class DateTester {

    public static void main(String[] args) throws ParseException {
 ...

7. How to apply applyPattern for SimpleDateFormat in java?    stackoverflow.com

I am trying to add a new pattern to the date display but I am not getting the result that I am expecting: Here is my code:

SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.S");
  ...

8. applyPattern() in SimpleDateFormat gives NullPointerEcxeption with white space in java    stackoverflow.com

I have this code that formats the date to this pattern dd-MM-yyyy:

     SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.S");
    sdf.applyPattern("yyyy-MM-dd");
     Date date_out ...

9. Why is 2010/08/15 matching to M/d/yy?    stackoverflow.com

I have an array of valid date formats I want to detect in a some text a user enters:

public static final DateFormat[] DATE_FORMATS = {
    new SimpleDateFormat("M/d/yy"),
  ...

10. Odd behavior of SimpleDateFormat    stackoverflow.com

Code:

SimpleDateFormat simpleDateFormat = new SimpleDateFormat("YYYYMMdd", Locale.US);
Object o = simpleDateFormat.parse("20111216");
System.out.println(simpleDateFormat.format((Date)o));
Output
20111226
Why? Giant bug?

11. SimpleDateFormat    coderanch.com

Hello need some help ! i take in a String that looks like timePattern I just wonder how i change the output format when converting this if i make a print out on the result now i got Thu Nov 25 00:00:00 CET 2004 if i want for example 2004-11-30 12:33:35 how do i do that. String timePattern = "yyyy-MM-dd"; SimpleDateFormat ...

12. SimpleDateFormat problem    coderanch.com

13. java.text.SimpleDateFormat does not behaves as expected    coderanch.com

Hi, See the following code SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy"); sdf.setLenient(false); Date st = sdf.parse("04-12-2000sdfsdfsf"); System.out.println(st); It will produce output as Mon Dec 04 00:00:00 IST 2000 instead of throwing ParseException and also if I give SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy"); sdf.setLenient(false); Date st = sdf.parse("04-12-200046649sdfsdfsf"); System.out.println(st); It will produce output as Tue Dec 04 00:00:00 IST 200046649 It ignores trailing ...

14. SimpleDateFormat problem....    coderanch.com

15. SimpleDateFormat    coderanch.com

Hello need some help ! i take in a String that looks like timePattern I just wonder how i change the output format when converting this if i make a print out on the result now i got Thu Nov 25 00:00:00 CET 2004 if i want for example 2004-11-30 12:33:35 how do i do that. String timePattern = "yyyy-MM-dd"; SimpleDateFormat ...

16. A SimpleDateFormat for ISO 8601    coderanch.com

In an XML file, a date is formatted using ISO 8601 convention. For example: 2005-04-01T13:38:09-08:00 The last part, "-08:00", is the timezone. How to parse such a string? If I use SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ"), I can only parse 2005-04-01T13:38:09-0800 Any other way besides removing the last colon then use the SimpleDateFormat above? How to construct a SimpleDateFormat or just DateFormat so that it ...

17. SimpleDateFormat seems to be adding an hour    coderanch.com

I'm sure this must be something daft on my part. When the expected output is 00:03:16.492, I'm getting 01:03:16.492 When the expected output is 01:19:56.492, I'm getting 02:19:56.492 If I try setting the time to 0 I get 01:00:00.000 Here is the code; public class Millis { public static void main(String[] args) { Date d = new Date(); SimpleDateFormat form = ...

18. SimpleDateFormat    coderanch.com

19. SimpleDateFormat    coderanch.com

20. Problem with SimpleDateFormat    coderanch.com

21. SimpleDateFormat    coderanch.com

I'm having an issue with a web app I'm working on where it reads in a date from a mainframe DB, parses it, then displays it on a page. The problem is the date comes in as a resultset string. the Format is "2006111" Where it's the yyyy and Day of the Year. I can read it in, parse it, and ...

22. SimpleDateFormat    coderanch.com

How can I format a date to get a string of the following format: dd.m.y I have tried SimpleDateFormat sdf = new SimpleDateFormat("dd.M.y"); and sdf.format(myDate); This returns a string of the format dd.m.yy I dont want the 2 digit year. I only want the last digit of the year e.g. for 2007 I want 7.

23. Does SimpleDateFormat have any dependency on JDK versions    coderanch.com

Hi All, Does SimpleDateFormat have any dependency on JDK versions? I am encountering the following issue: I have a java file named as Constants.java. The contents of this file is as follows: package com.test.util; import java.text.SimpleDateFormat; /** * Class that contains string contants that can be used in other classes. * */ public final class Constants { // Logging messages public ...

24. Question about SimpleDateFormat    coderanch.com

25. Issue with SimpleDateFormat    coderanch.com

I am trying to use the SimpleDateFormat class to validate a date entered by a user in a web app. Unfortunately, when I test it by putting an invalid date or month, it still computes the date and returns it as a valid date. Here is a test code to prove my point: public static void main(String[] args) { //String pattern ...

26. SimpleDateFormat and Ordinals    coderanch.com

27. !SimpleDateFormat    coderanch.com

It's the old array issue... create an array of month names and then use the month to get them. If the month is 1-12 then you have to subtract one. Since the months are 0-11, you don't have to subtract one. I'm sure Java does this because all the other languages do it.

28. SimpleDateFormat    coderanch.com

29. SimpleDateFormat    coderanch.com

30. What's wrong with my SimpleDateFormat?    coderanch.com

31. How do I import SimpleDateFormat?    coderanch.com

bash-2.03$ cat TimeStamp.java import java.io.*; import java.util.*; public class TimeStamp { public static void main(String[] args) { SimpleDateFormat sdf = new SimpleDateFormat( "yyyyMMdd" ); System.out.println( "ts = [" + sdf + "]" ); } } bash-2.03$ javac -verbose TimeStamp.java [parsing started TimeStamp.java] [parsing completed 221ms] [loading /usr/local/home/Plankton/SUNWappserver/jdk/jre/lib/rt.jar(java/lang/Object.class)] [loading /usr/local/home/Plankton/SUNWappserver/jdk/jre/lib/rt.jar(java/lang/String.class)] [checking TimeStamp] TimeStamp.java:6: cannot resolve symbol symbol : class SimpleDateFormat location: class ...

32. SimpleDateFormat Problem    coderanch.com

33. SimpleDateFormat    coderanch.com

34. SimpleDateFormat    coderanch.com

35. SimpleDateFormat    coderanch.com

36. SimpleDateFormat (calculation)    coderanch.com

Hi, I am trying to write a simple program which calculates how many days people have been lived in a house. I have data file named "People.txt" which has such structure: LastName FirstName CameIn CameOut DayCost I have written a program which makes the "Summary.txt" file like this: LastName FirstName CameIn CameOut DayCost But I need to get the structure of ...

37. SimpleDateFormat    coderanch.com

38. SimpledateFormat class issue.    coderanch.com

package util; import java.util.*; import java.text.*; public class Testit{ public static void main(String[] args){ new Testit().test(); } public void test(){ String input="2007-12-05"; Date d1=parseIt(input); Calendar c=Calendar.getInstance(); c.setTime(d1); System.out.println("yyyy="+c.get(c.YEAR)); o/p yyyy=2007 OK System.out.println("mm="+c.get(c.MONTH)); o/p mm=0 <--NOT OK System.out.println("dd="+c.get(c.DATE)); o/p dd=5 OK } public Date parseIt(String dateTobeParsed){ Date date=null; try{ DateFormat formatter = new SimpleDateFormat("yyyy-mm-dd"); date = (Date)formatter.parse(dateTobeParsed); }catch(ParseException ps){System.out.println(ps);} return date; } ...

39. Doubt in SimpleDateFormat    coderanch.com

Thanks for the reply, apologize for the confusion, let me refine the question. I want to know if its possible to display the date object in the same way as the String which contains the date, say for ex: Consider the string 26/08/1994 is it possible to display a date object in this fashion? A sample code will be very helpful, ...

40. Problem in SimpleDateFormat    coderanch.com

41. simpledateformat problem    coderanch.com

Jhon, There is no pattern available for output which you needed. In your code :SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ"); the capital Z denotes,for formatting you have been used RFC 822 time zone format. so if go for the Pacific Standard Time ie use small letter 'z' instead of capital SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssz"); you can get the output like this ...

42. SimpleDateFormat giving an error    coderanch.com

43. SimpleDateformat    coderanch.com

I m trying to get timestamp in this format SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.fffffffff"); but its giving Exception in thread "main" java.lang.IllegalArgumentException: Illegal pattern character 'f' any help Actually i need to format this " 9/7/2010 0:00" to oracle timestamp format i.e yyyy-MM-dd HH:mm:ss.fffffffff .. how can i achieve this ? thanks

44. simpledateformat    coderanch.com

45. Stumped on my SimpleDateFormat issue    coderanch.com

I have to two strings that I am trying to convert into a date type. The first date works perfectly but the second date the month is not converting correctly. DateFormat df = new SimpleDateFormat("yyyy-mm-dd"); Date startWeek = null; Date endWeek = null; try { startWeek = df.parse("2011-01-30"); endWeek = df.parse("2011-02-05"); } catch (ParseException e) { e.printStackTrace(); } My results appear ...

46. simpleDateFormat Problems and questions    coderanch.com

Ok so here is the deal I am attempting to take data entered from the keyboard in the format MM dd yyyy with the whitespace. Example:12 28 1973 GregorianCalendar now = new GregorianCalendar(); Date today = now.getTime(); GregorianCalendar birthDayGregorian = new GregorianCalendar(); System.out.println("Please enter your birthdate in the format "+ " mm dd yyyy: "); birthDayString = scan.nextLine(); SimpleDateFormat sdf = ...

48. SimpleDateFormat    go4expert.com

I apologize for this noob-level question, but I'm angry at SimpleDateFormat and am wondering in anyone knows how to make it do what I want. My issue is that I'm using SimpleDateFormat to basically validate different types of dates. This usually works fine, except with the terminating field of a date. For example, I parse the String "08/21/2007" against the format ...

49. Doubt in SimpleDateFormat    forums.oracle.com

Hi Here is the requirement "how to convert a string into date without changing its format" When i tried to do this using SimpleDateFormat : SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy"); Date date = formatter.parse(str); Output String 26/08/1994 gets parsed as Fri Aug 26 00:00:00 IST 1994. The format gets changed, is it possible to preserve the format? Thanks in advance

50. SimpleDateFormat throws FileNotFoundException?    forums.oracle.com

But when I run it in debug mode in Eclipse, it always fails at the following line of code: SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss.SSS"); The following is some of the error message: Thread [main] (Suspended (exception FileNotFoundException)) URLClassPath$JarLoader.getJarFile(URL) line: not available URLClassPath$JarLoader.(URL, URLStreamHandler, HashMap) line: not available URLClassPath$3.run() line: not available AccessController.doPrivileged(PrivilegedExceptionAction) line: not available [native method] URLClassPath.getLoader(URL) line: not available ...

52. SimpleDateFormat not that simple    forums.oracle.com

Where does the conversion happen from "number of seconds from midnight" to a Date? You can't expect SimpleDateFormat to magically know what the number you specified means (does SimpleDateFormat even have a format(int) method?). You will need to do the conversion yourself (using a Calendar) and then feed the resulting Date object (obtained from Calendar.getTime()) to your hhmmss format to obtain ...

53. SimpleDateFormat Question    forums.oracle.com

Running of the code below : // Formatter is initialized to parse MM/dd/yyyy SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy"); // User enters MM/DD/YY Date date = formatter.parse("11/15/07"); System.out.println("Date String: " + formatter.format(date)); // Formatter messes up the century Outputs 11/15/0007 Is there a way we can make SimpleDateFormat assume current century if the century information is missing. ( or any other API ...

54. SimpleDateFormat    forums.oracle.com

hai to all iam new to core java In my application i have taken date textfield with dd-mm-yyyy and i have save the date in sql server through the application and iam checking the date with this condition. My problem is that if the condition false it has check for the second time but it's not working. date = form.parse(Dob1,ppos); if(form!=null) ...

55. SimpleDateFormat (calculation)    forums.oracle.com

I am not sure if this is good(admins please correct me if I am wrong), but I do not create another topic with the same code, I have just changed the Subject (added Q) and I will ask my next question here. An admin will likely not reply. But no, this is not good. Should have created a different topic - ...

56. Is this a SimpleDateFormat bug?    forums.oracle.com

paulcw wrote: There might be another way to do this (confirm that a string contains a valid date and only a valid date), but I don't know what it is. That would be the parse(String, ParsePosition) method (check the API docs). Give it a ParsePosition object which says "Start at the first position", then call the method. When it returns it ...

57. unexpected SimpleDateFormat output    forums.oracle.com

58. Mysterious 7 hours in java.text.SimpleDateFormat    forums.oracle.com

I'm not religious so I baulk at the use of god. If you can see past my satire my post was useful. If your program is to do soemething then it should do it correctly. Displaying method 1 when you are in method 2 is wrong and if this was a more serious application it would be confusing to a user. ...

59. SimpleDateFormat Question    forums.oracle.com

60. Problem with SimpleDateFormat    forums.oracle.com

61. what's the letter F means in SimpleDateFormat    forums.oracle.com

pbrockway2 wrote: What about the following Monday and Tuesday? Some locales (mine, evidently) start the week on a Sunday, others on a Monday. F : Date 5: Tue Sep 30 10:09:03 CEST 2008 1: Wed Oct 01 10:09:03 CEST 2008 1: Thu Oct 02 10:09:03 CEST 2008 1: Fri Oct 03 10:09:03 CEST 2008 1: Sat Oct 04 10:09:03 CEST 2008 ...

62. SimpleDateFormat, missing an hour    forums.oracle.com

When I run that code the output is "18:11:12". But I'm in a timezone which is 8 hours before GMT (actually 7 hours at the moment). You are in a different time zone which is also not GMT. However if you set the time zone of your SimpleDateFormat objects to GMT, you'll find you get the result you are looking for. ...

63. java.text.SimpleDateFormat with zones    forums.oracle.com

Hi, Thank you for the response.The problem is this is one our client's log file which we are trying to parse using the java.text.SimpleDateFormat from our own java application. Hence not sure about +060. I guess the part after the . represent the zone , please correct me.But +060 not sure what this means and I dont think java.text.SimpleDateFormat has a ...

64. SimpleDateFormat and Timestamp does not exist in the 1.6 JDK (1.6.0_18)    forums.oracle.com

An additional reason why I phrased my answer the way I did is that many beginners don't know how to read error message or don't read them at all (I'm not implying that you're a beginner, I simply didn't know about your skill-level). They simply see an error message and go into panic mode. In that case it helps to show ...

66. SimpleDateFormat Problem    forums.oracle.com

67. SimpleDateFormat unexpected behaviour    forums.oracle.com

I suspect the following excerpt: For parsing, if the number of pattern letters is more than 2, the year is interpreted literally, to be responsible for this behaviour, but i thought parsing with lenient would avoid such a "mistake", and throw an exception because of the wrong number of digits. What is the best way to check that the year is ...

68. Unexpected SimpleDateFormat behavior.    forums.oracle.com

69. SimpleDateFormat issue    forums.oracle.com

70. SimpleDateFormat Issue!    forums.oracle.com

Next, you may consider allowing the end user to type in a date without the proper leading zeros, then have your program insert them before submitting the page or redisplaying them. For example: If the user types 1/5/2009, you convert it to 01/05/2009 You may also consider enforcing a range for the year. For instance, no year less than 1900 or ...

71. How to put "\n" into SimpleDateFormat()    forums.oracle.com

72. Problem in SimpleDateFormat    forums.oracle.com

Initially I was returning String thats why the method name is wrong.But I have changed my code and now I want to return a Date object.Ok I get that point..Date object doesn't accept format but is it possible the change the format by using SimpleDateFormat and in doing that should it always return a String not a Date object(as Date object ...

73. Odd week number behavior in SimpleDateFormat    forums.oracle.com

0: 2009.01.09 is in week number week-2009-02 1: 2009.01.08 is in week number week-2009-02 2: 2009.01.07 is in week number week-2009-02 3: 2009.01.06 is in week number week-2009-02 4: 2009.01.05 is in week number week-2009-02 5: 2009.01.04 is in week number week-2009-02 6: 2009.01.03 is in week number week-2009-01 7: 2009.01.02 is in week number week-2009-01 8: 2009.01.01 is in week ...

74. SimpleDateFormat display 3 digit year, help!    forums.oracle.com

75. SimpleDateFormat problems    forums.oracle.com

76. Issue using SImpleDateFormat    forums.oracle.com

I am trying to use SimpleDateFormat to convert my date and time string that I have to a util.date. Here is the code snippet: // declaring testDate java.util.Date testDate = null; // Using to parse the string into a datetime field SimpleDateFormat formatter = new SimpleDateFormat("MM/dd/yyyy hh:mm a"); testDate = formatter.parse("08/01/2008 5:00 AM"); System.out.println("Date is :"+ testDate); System.out prints this: Date ...

77. Error SimpleDateFormat...    forums.oracle.com

78. SimpleDateFormat bug?    forums.oracle.com

79. FastDateFormat vs SimpleDateFormat    forums.oracle.com

80. Calendar week with SimpleDateFormat    forums.oracle.com

Hi, this has to do with the definition of the "first week" of a year. See also the Javadoc of the Calendar class. How the "yy" field is filled is independent of the "w" you have before, so it prints 07, as the date is in that year. I think you have to handle that situation by yourself on dates in ...

81. SimpleDateFormat problem    forums.oracle.com

82. SimpleDateFormat problem    forums.oracle.com

This should be simple, but I don't see what the problem is... I have this simple method to convert a string to a Date type. When I pass in 02/25/2008, the date returned contains 01/25/2008... SimpleDateFormat sdf = new SimpleDateFormat("MM/dd/yyyy"); return sdf.parse(dateString); I do not see why it would be subtracting one from the month? Thanks in advance.

83. SimpleDateFormat issue    forums.oracle.com

84. SimpleDateFormat issue    forums.oracle.com

85. SimpleDateFormat question    forums.oracle.com

86. simpleDateFormat question    forums.oracle.com

87. SimpleDateFormat: what am I missing?    forums.oracle.com

88. SimpleDateFormat.toLocalizedPattern()    forums.oracle.com

Good advice with the getAvailableLocals actually. However there are still too many unknowns and potential 'red-herrings' with my technique in general.. I've gotten over the problem at the source, i.e. ensuring that the date I need to process is always the same format. Bit easier that way I think, given that I did have the luxury of doing this. Thanks for ...

89. Possible bug in SimpleDateFormat??    forums.oracle.com

It doesn't make sense to me. How can 12/31/06 be considered the first week in '06? It should format it to "2006-53" or "2007-01". Otherwise, that date will overrun dates such as 1/1/06... Week 53 maybe incorrect, but there are dates that fall into that category and they should be handled properly. What's interesting is that parsing "2006-53" or "2007-01" both ...

91. SimpleDateFormat problem    forums.oracle.com

92. SimpleDateFormat problem?    forums.oracle.com

93. simpledateformat...not so simple    forums.oracle.com

Anyway, what's really bizarre, is that apparently there is some weird algorithm in the parse method for determining what the 1st 2 digits are. For example, if the year is 89 it gets translated to 1989. 05 gets translated to 2005. OK, that seems to make sense. But how about this )Anything from 00 to 2026 gets translated to the ...

94. Java SimpleDateFormat Issue    forums.oracle.com

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