随意摘录 - 2009.02.19

1.

an optional package is a set of programming interfaces that can be added to a J2ME profile or configuration to provide a category of functionality that some users of that configuration or profile will need but not all.

 

2.

Note that almost every method in the FileConnection class has the potential to throw a SecurityException. The FCOP specification does not define a specific security model for controlling access to the file system, leaving that task to the configuration or profile that incorporates FCOP.