||This class encapsulates the Application Identifier (AID) associated with an applet.
||Application Protocol Data Unit (APDU) is
the communication format between the card and the off-card applications.
||This abstract class defines an Java Card technology-based applet.
JCSystem class includes a collection of methods to control
applet execution, resource management, atomic transaction management,
object deletion mechanism and inter-applet object sharing in the Java Card
||This class represents an Owner PIN, implements Personal Identification Number
functionality as defined in the
PIN interface, and
provides the ability to update the PIN and thus owner functionality.
Util class contains common utility functions.