Is it possible to write an application in Java that schedules a meeting in Exchange?

I know it's possible to write a开发者_JAVA技巧n application in Java that retrieves Exchange meeting data, but is it possible to write one that actually schedules a meeting?

Yes, see the iCalendar specification

Yes, it is possible. There is thorough documentation on the Microsoft website on how to do this using Visual Basic. See: http://support.microsoft.com/kb/220595