You want java.text.DateFormat . Create an appropriate instance of DateFormat. Use the parse() method to get a Date [some people prefer to go to bars]. Use getTime() on the Date object to get milliseconds.
Betty Rubble? Well, I would go with Betty... but I'd be thinking of Wilma.
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link: http://aspose.com