the application programming interface (API). DVBJ
application is designed in a special GUI for TV so
that DVB-J application provides an opportunity for
application developers [1].
DVB-J is used for interactive applications,
especially applications using the return channel.
API in DVB-J is truly defined from the first version
to the new version. The MHP 1.1 has access to a
smart card reader for e-commerce. Most MHP
applications is being developed using the DVB-J,
such as applications news, weather information, and
others. DVB-J application is usually called Xlet,
Xlet is a Java language program. Where the whole
JVM running on Xlet.
There are some functions on the Xlet can be used
to run the set-top box, one of the function on Xlet is
used to close the set-top box service by running
callSystem.exit that is available on Xlet interface.
Xlet interface has several methods. InitXlet method
has the function to initialize the Xlet using context
parameters. XletContext method has the function to
provide access to parameters, settings, and other
data. StartXlet method has the function to give