Pattern « Date Time Format « Java Data Type Q&A

1. How to Configure Pattern for DateFormat's getDateInstance()

Is there any away to configure the pattern for String values returned by DateFormat's getDateInstance(), for each style - SHORT, MEDIUM, LONG, and FULL? For example, DateFormat.getDateInstance(DateFormat.MEDIUM, Locale.US) will always return a ...

2. Java DateFormat: most convenient & elegant way to validate input date against multiple patterns

I'm doing like that now:


DateFormat dateFormat = new SimpleDateFormat("dd.MM.yyyy");
    errors.reject("Incorrect format");

But what if I need to validate against few acceptable ...

3. date pattern for DateFormat

I'm working on an application that has been upgraded from Websphere 5.1 to 6.1, and everything looks fine except the showing of dates. Including in the Websphere update is also a change in the used JDK - from 1.4 to 1.5 (or 5.0). The dates used to be shown in the the pattern "dd-MM-yyyy", but after the upgrade, they are shown ...

4. initialize dateformat with a pattern

I'll see your assumption and raise you a wild-arse guess. If you don't want to hang onto the DF, but want to avoid passing the same string because of some bizarre notion of efficiency, don't worry about it, beacuse A) Parameters are meant to be passed and that kind of premature microoptimization is pointless, and B) You never pass objects, including ...