How to set a Default date format.

Question

I would like to know if it's possible to set a default date format (b.e. dd/mm/yyyy) for new date object and not for the current object?
Thanks

Answer 1

default date format (b.e. dd/mm/yyyy) for new date objectI would guess not, and that is regardless of how they format it.
Consider the java.util.Date.toString() method. There is no way to change the behaviour of that unless you want to derive a class from Date.
At least not in 1.3.0 it isn't. The java.util.Date class uses a private data member called simpleFormatter which it hard codes to
formatter = new SimpleDateFormat("EEE MMM dd HH:mm:ss zzz yyyy", Locale.US)
If however the time was formatted using the defaults from java.text.DateFormat then you could set the TimeZone. However, that doesn't impact formatting, it merely changes the offset (and daylight savings.)
You could set the Locale in java.util.Locale. That looks like a real possibility. But the documentation doesn't really provide anything that suggests how you provide your own and impact the time stuff. For example, Date which uses static finals for the time stuff - which suggests Locale can't impact it. And of course changing the Locale would impact your entire application, so you would have to make sure all threads were blocked while it was changed.