Comments on: Java Date and Time API and JSR-310

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By: A propos de Joda-Time « C0De « the coffee workshop

A propos de Joda-Time « C0De « the coffee workshop — Fri, 09 Jul 2010 13:24:11 +0000

[...] http://www.wolkje.net/2010/01/06/java-date-and-time-api-and-jsr-310/ [...]

By: domik.ch

domik.ch — Thu, 10 Jun 2010 14:12:31 +0000

You can get current date and/or time in Java using the following method. You may change the date format in the constructor of SimpleDateFormat to get the result in a different format:
import java.util.Date;
import java.text.DateFormat;
import java.text.SimpleDateFormat;

private String getDateTime() {
DateFormat dateFormat = new SimpleDateFormat(”yyyy/MM/dd HH:mm:ss”);
Date date = new Date();
return dateFormat.format(date);
}

By: gustav

gustav — Sun, 28 Mar 2010 15:51:54 +0000

JSR-310 is just one of many projects that is more or less failing due to lack of resources.
So will oracle bring resources to JDK development or not ?.
Its not much point of keep going if not, this problem has been going on for many years and its only been worsening over time.
The alternative is to let the needed control go, and let outsiders do alot more.

By: Chris Winters

Chris Winters — Mon, 15 Feb 2010 15:38:05 +0000

Another benefit of Joda (and presumably JSR-310) is that everything is threadsafe. Stressing immutability goes a long way toward this, but the fact that the JDK SimpleDateFormat is *not* threadsafe has bitten quite a few people.

By: Tom

Tom — Tue, 19 Jan 2010 19:03:48 +0000

I don’t think the comments in the sample Joda code represent the correct output. I get (of course the current time is different):

2010-01-19T12:56:09.256-06:00
2010-01-25T18:56:09.256-06:00
19-02-2028 12:56

The minutes, seconds, and milliseconds shouldn’t change between the first two lines.

By: Frank Hardisty

Frank Hardisty — Tue, 19 Jan 2010 13:08:40 +0000

I’m in the camp that hopes JSR 310 makes it in. It’s time for time!

Joda Time is nice, it has a good API and seems well implemented. However, an external library is always in danger of falling behind (Apache Commons Collections, anyone?), or getting pushed aside later by a new standard.

Also, the size of the 1.6 joda-time.jar is 534 kB. Now, half a megabyte ain’t no thing on the server, but if you want to include it in a client application (Web Start or applet), that’s a fair bit of bloat just to do some reasonable date and time operations.

By: Martin Sturm

Martin Sturm — Sun, 10 Jan 2010 11:18:49 +0000

Yes, I meant mutable. Thanks for pointing out!