Java Reference
In-Depth Information
threads to move data to or from a persistent store, such as a file system or database, so as not
to compromise responsiveness.
In the simplest case, the data in the data model is entered by the user or loaded statically from
a file or other data source at application startup, in which case the data is never touched by
any thread other than the event thread. But sometimes the presentation model object is only a
view onto another data source, such as a database, file system, or remote service. In this case,
more than one thread is likely to touch the data as it goes into or out of the application.
