javax.activation
介面 
CommandObject
DataContentHandler
DataContentHandlerFactory
DataSource
類別 
ActivationDataFlavor
CommandInfo
CommandMap
DataHandler
FileDataSource
FileTypeMap
MailcapCommandMap
MimeType
MimeTypeParameterList
MimetypesFileTypeMap
URLDataSource
異常 
MimeTypeParseException
UnsupportedDataTypeException