1

I was just playing with Java 8 Date time API.

My code looks like this.

LocalDateTime date=LocalDateTime.now(ZoneId.of("America/New_York"));
System.out.println("date now:"+date);
String ormat = ZonedDateTime.now().format(DateTimeFormatter.ofPattern("dd/MMM/yyyy HH:mm:ss"));
//=date.format(DateTimeFormatter.ofPattern("dd/MMM/yyyy'T'hh:mm:ss.SX Z"));
LocalDateTime date2=LocalDateTime.parse(format);

System.out.println("dsate now:"+date2);

But it is showing this error

Exception in thread "main" java.time.format.DateTimeParseException: Text '14/Oct/2016 23:13:57' could not be parsed at index 0

I tried with this pattern

String format=ZonedDateTime.now().format(DateTimeFormatter.ofPattern("dd/MMM/yyyy HH:mm:ss.SSSS Z"));

Still didn't work.

I checked the answers here and here.

Edit: One thing also I want to know what if I want my date object only in this format?

Edit 2: What I try to achieve is that have some date and time what I got using localDateTime and I want to format it using the formatter I have used in code.

Community
  • 1
  • 1
vihang shah
  • 588
  • 1
  • 10
  • 30

1 Answers1

1

Your format2 produces the String 14/Oct/2016 23:26:38

You try to parse that input String with the ISO_LOCAL_DATE_TIME (yyyy-MM-dd'T'hh:mm:ss). That is why you were getting the error.

You have to pass the date formatter to the parse method 

LocalDateTime date2=LocalDateTime.now(ZoneId.of("America/New_York"));
System.out.println("date now:"+date2);
String format2=ZonedDateTime.now().format(DateTimeFormatter.ofPattern("dd/MMM/yyyy HH:mm:ss"));
System.out.println(format2);
//=date.format(DateTimeFormatter.ofPattern("dd/MMM/yyyy'T'hh:mm:ss.SX Z"));
LocalDateTime date3=LocalDateTime.parse(format2,
                DateTimeFormatter.ofPattern("dd/MMM/yyyy HH:mm:ss").withLocale(Locale.ENGLISH));

System.out.println("dsate now:"+date3);

Output:

dsate now:2016-10-14T23:26:38

Edit after the comment:

You can directly format the LocalDateTime 

LocalDateTime date2=LocalDateTime.now(ZoneId.of("America/New_York"));
System.out.println("date now:"+date2);
String myDate1 = date2.format(DateTimeFormatter.ofPattern("dd/MMM/yyyy HH:mm:ss").withLocale(Locale.ENGLISH));
System.out.println("dsate now:"+myDate1);
Unknown
  • 2,037
  • 3
  • 30
  • 47
  • ok it works but why do I need then format 2 if I am again formatting in 3rd step? again this is out of scope of this question but what should I do if I want to format my date2 only/? – vihang shah Oct 14 '16 at 18:05
  • You don't. You can use String myDate1 = date2.format(DateTimeFormatter.ofPattern("dd/MMM/yyyy HH:mm:ss").withLocale(Locale.ENGLISH)); – Unknown Oct 14 '16 at 18:11
  • Have updated my question based on your answer please see once – vihang shah Oct 14 '16 at 18:21
  • You want date2 as 14/Oct/2016 23:26:38 instead of 2016-10-14T23:26:38? – Unknown Oct 14 '16 at 18:25
  • What you see in System.out.println(date2) is toString() of LocalDateTime. That is why you were able to see the date in ISO-8601 format. – Unknown Oct 14 '16 at 18:34
  • Let us [continue this discussion in chat](http://chat.stackoverflow.com/rooms/125739/discussion-between-vihang-shah-and-unknown). – vihang shah Oct 14 '16 at 18:40