<s>
The	O
Connected	B-Language
Device	I-Language
Configuration	I-Language
(	O
CDC	O
)	O
is	O
a	O
specification	O
of	O
a	O
framework	B-Architecture
for	O
Java	B-Language
ME	I-Language
applications	O
describing	O
the	O
basic	O
set	O
of	O
libraries	O
and	O
virtual-machine	O
features	O
that	O
must	O
be	O
present	O
in	O
an	O
implementation	O
.	O
</s>
<s>
The	O
CDC	O
is	O
combined	O
with	O
one	O
or	O
more	O
profiles	O
to	O
give	O
developers	O
a	O
platform	O
for	O
building	O
applications	O
on	O
embedded	O
devices	O
ranging	O
from	O
pagers	B-Application
up	O
to	O
set-top	O
boxes	O
.	O
</s>
<s>
The	O
CDC	O
was	O
developed	O
under	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
as	O
JSR	B-Language
36	I-Language
(	O
CDC	O
1.0.2	O
)	O
and	O
JSR	B-Language
218	I-Language
(	O
CDC	O
1.1.2	O
)	O
.	O
</s>
<s>
Devices	O
that	O
support	O
CDC	O
typically	O
include	O
a	O
32-bit	O
CPU	B-General_Concept
with	O
about	O
2MB	O
of	O
RAM	B-Architecture
,	O
and	O
2.5MB	O
of	O
ROM	B-Device
available	O
for	O
the	O
Java	O
application	O
environment	O
.	O
</s>
<s>
The	O
reference	O
implementations	O
for	O
CDC	O
profiles	O
are	O
based	O
on	O
Linux	B-Application
running	O
on	O
an	O
Intel-compatible	O
PC	O
,	O
and	O
optimized	O
implementations	O
are	O
available	O
for	O
a	O
variety	O
of	O
other	O
CPUs	O
and	O
operating	O
systems	O
.	O
</s>
<s>
A	O
profile	O
is	O
a	O
set	O
of	O
APIs	O
that	O
support	O
devices	O
with	O
different	O
capabilities	O
and	O
resources	O
within	O
the	O
CDC	O
framework	B-Architecture
to	O
provide	O
a	O
complete	O
Java	O
application	O
environment	O
.	O
</s>
<s>
It	O
provides	O
a	O
complete	O
Java	B-Language
ME	I-Language
application	O
environment	O
for	O
consumer	O
products	O
and	O
embedded	O
devices	O
but	O
without	O
a	O
standards-based	O
GUI	O
system	O
.	O
</s>
<s>
Version	O
1.1.2	O
is	O
specified	O
in	O
JSR	B-Language
219	O
and	O
implements	O
a	O
subset	O
of	O
Java	B-Language
SE	I-Language
1.4.2	O
,	O
including	O
a	O
set	O
of	O
security-related	O
optional	O
packages	O
,	O
such	O
as	O
Java	O
Authentication	O
and	O
Authorization	O
Service	O
(	O
JAAS	O
)	O
,	O
Java	O
Secure	O
Socket	O
Extension	O
(	O
JSSE	O
)	O
,	O
and	O
Java	O
Cryptography	O
Extension	O
(	O
JCE	O
)	O
.	O
</s>
<s>
A	O
framework	B-Architecture
for	O
building	O
lightweight	O
graphical	O
user	O
interface	O
components	O
is	O
provided	O
with	O
support	O
for	O
some	O
AWT	B-Language
classes	O
.	O
</s>
<s>
The	O
specification	O
is	O
described	O
in	O
JSR	B-Language
217	O
and	O
is	O
used	O
for	O
products	O
that	O
require	O
a	O
standards-based	O
graphical	O
user	O
interface	O
but	O
without	O
full	O
AWT	B-Language
compatibility	O
.	O
</s>
<s>
The	O
Xlet	B-Language
application	O
programming	O
model	O
is	O
used	O
for	O
application	O
development	O
within	O
this	O
profile	O
,	O
including	O
advanced	O
content	O
on	O
Blu-ray	O
discs	O
conforming	O
to	O
the	O
BD-J	B-Language
specification	O
.	O
</s>
<s>
The	O
Personal	O
Profile	O
extends	O
the	O
Personal	O
Basis	O
Profile	O
with	O
a	O
GUI	O
toolkit	O
based	O
on	O
AWT	B-Language
.	O
</s>
<s>
It	O
provides	O
a	O
complete	O
Java	B-Language
ME	I-Language
application	O
environment	O
with	O
full	O
AWT	B-Language
support	O
and	O
is	O
intended	O
for	O
higher	O
end	O
devices	O
,	O
such	O
as	O
PDAs	O
,	O
smart	O
communicators	O
,	O
set-top	O
boxes	O
,	O
game	O
consoles	O
,	O
automobile	O
dashboard	O
electronics	O
,	O
and	O
so	O
on	O
.	O
</s>
<s>
This	O
is	O
the	O
recommended	O
profile	O
for	O
porting	O
of	O
legacy	O
PersonalJava-based	O
applications	O
.	O
</s>
<s>
The	O
specification	O
is	O
described	O
in	O
JSR	B-Language
62	O
and	O
uses	O
the	O
Applet	B-Language
programming	O
model	O
for	O
application	O
development	O
.	O
</s>
<s>
CDC	O
supports	O
a	O
number	O
of	O
optional	O
packages	O
that	O
allow	O
developers	O
to	O
access	O
specific	O
pieces	O
of	O
extra	O
functionality	O
within	O
the	O
restricted	O
resource	O
constraints	O
of	O
a	O
Java	B-Language
ME	I-Language
device	O
.	O
</s>
<s>
The	O
RMI	B-Language
Optional	O
Package	O
provides	O
a	O
subset	O
of	O
Java	B-Language
SE	I-Language
RMI	B-Language
for	O
distributed-application	O
and	O
network	O
communication	O
.	O
</s>
<s>
The	O
JDBC	B-Language
Optional	O
Package	O
provides	O
a	O
subset	O
of	O
the	O
JDBC	B-Language
3.0	O
API	O
for	O
accessing	O
data	O
sources	O
,	O
including	O
spreadsheets	O
,	O
flat	O
files	O
and	O
relational	O
databases	O
.	O
</s>
