This week's book giveaway is in the OCAJP forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide 1Z0-808 and have Jeanne Boyarsky & Scott Selikoff on-line! See this thread for details.
There is no default format string for date and for timestamp. It is dependent on the location settings.
Your date, that might look as 21-OCT-2014 for you, will show 21-OKT-2014 for me.
Have a look at oracle's NLS documentation to see how language and country settings can influence date and number formats.