<s>
Java	B-Language
TV	I-Language
is	O
a	O
Java-based	O
software	B-Architecture
framework	I-Architecture
designed	O
for	O
use	O
on	O
TV	O
set-top	O
boxes	O
,	O
based	O
on	O
components	O
called	O
Xlets	B-Language
.	O
</s>
<s>
It	O
is	O
currently	O
used	O
only	O
on	O
the	O
Connected	B-Language
Device	I-Language
Configuration	I-Language
,	O
specifically	O
for	O
iTV	O
applications	O
development	O
.	O
</s>
<s>
The	O
API	O
includes	O
the	O
Xlet	B-Language
classes	O
in	O
the	O
package	O
javax.tv.xlet	O
.	O
</s>
<s>
While	O
the	O
framework	O
is	O
general	O
,	O
Sun	O
currently	O
provides	O
support	O
only	O
on	O
Java	B-Language
ME	I-Language
.	O
</s>
<s>
For	O
some	O
subjects	O
,	O
such	O
as	O
media	O
locators	O
,	O
it	O
is	O
in	O
effect	O
superseded	O
by	O
other	O
locator	O
standards	O
on	O
platforms	O
such	O
as	O
BD-J	B-Language
.	O
</s>
<s>
A	O
point	O
of	O
confusion	O
is	O
that	O
in	O
platforms	O
supported	O
as	O
of	O
2008	O
,	O
examples	O
such	O
as	O
the	O
SvcDispXlet	O
example	O
from	O
the	O
introduction	O
to	O
the	O
API	O
,	O
written	O
circa	O
2001	O
,	O
are	O
not	O
deployable	O
because	O
it	O
uses	O
AWT	B-Language
widgets	O
such	O
as	O
.	O
</s>
<s>
Most	O
iTV	O
platforms	O
,	O
along	O
with	O
BD-J	B-Language
,	O
implement	O
Personal	O
Basis	O
Profile	O
with	O
no	O
AWT	B-Language
widgets	O
,	O
as	O
opposed	O
to	O
Personal	O
Profile	O
which	O
includes	O
the	O
widgets	O
.	O
</s>
<s>
Sun	O
's	O
reference	O
implementation	O
for	O
Java	B-Language
TV	I-Language
attempts	O
to	O
limit	O
its	O
exposure	O
to	O
support	O
issues	O
to	O
the	O
full	O
Java	B-Language
Media	I-Language
Framework	I-Language
by	O
having	O
its	O
own	O
small	O
version	O
of	O
JMF	O
that	O
is	O
internally	O
referred	O
to	O
as	O
"	O
jmflite	O
"	O
.	O
</s>
<s>
As	O
with	O
the	O
limitations	O
of	O
the	O
MIDP	B-Language
emulators	O
that	O
Sun	O
provides	O
,	O
the	O
Java	B-Language
TV	I-Language
reference	O
implementation	O
provided	O
by	O
Sun	O
has	O
not	O
been	O
updated	O
to	O
make	O
provisions	O
for	O
later	O
JDK	O
's	O
such	O
as	O
removing	O
calls	O
to	O
Thread.stop( )	O
.	O
</s>
<s>
The	O
Thread.stop( )	O
method	O
was	O
made	O
a	O
"	O
final	O
"	O
method	O
in	O
Java	B-Device
1.5	O
(	O
meaning	O
that	O
classes	O
which	O
extend	O
Thread	O
and	O
override	O
stop( )	O
will	O
fail	O
at	O
runtime	O
under	O
JRE	O
1.5	O
when	O
the	O
class	O
is	O
loaded	O
)	O
.	O
</s>
<s>
This	O
implies	O
that	O
Sun	O
has	O
not	O
yet	O
committed	O
to	O
public	O
plans	O
or	O
a	O
roadmap	O
for	O
taking	O
Java	B-Language
ME	I-Language
beyond	O
JRE	O
1.3	O
.	O
</s>
