<s>
The	O
Connected	B-Language
Limited	I-Language
Device	I-Language
Configuration	I-Language
(	O
CLDC	B-Language
)	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
CLDC	B-Language
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
with	O
very	O
limited	O
resources	O
such	O
as	O
pagers	O
and	O
mobile	O
phones	O
.	O
</s>
<s>
The	O
CLDC	B-Language
was	O
developed	O
under	O
the	O
Java	B-Language
Community	I-Language
Process	I-Language
as	O
JSR	B-Language
30	I-Language
(	O
CLDC	B-Language
1.0	O
)	O
and	O
JSR	B-Language
139	I-Language
(	O
CLDC	B-Language
1.1	O
)	O
.	O
</s>
<s>
CLDC	B-Language
is	O
designed	O
for	O
devices	O
that	O
have	O
limited	O
processing	O
power	O
,	O
memory	O
,	O
and	O
graphical	O
capability	O
.	O
</s>
<s>
Compared	O
to	O
the	O
Java	B-Language
SE	I-Language
environment	O
,	O
several	O
APIs	O
are	O
absent	O
entirely	O
,	O
and	O
some	O
APIs	O
are	O
altered	O
such	O
that	O
code	O
requires	O
explicit	O
changes	O
to	O
support	O
CLDC	B-Language
.	O
</s>
<s>
All	O
java.lang	O
.	O
</s>
<s>
*	O
classes	O
which	O
normally	O
implement	O
Serializable	O
do	O
not	O
,	O
therefore	O
,	O
implement	O
this	O
tagging	B-Language
interface	I-Language
.	O
</s>
<s>
Other	O
examples	O
of	O
limitations	O
depend	O
on	O
the	O
version	O
being	O
used	O
,	O
as	O
some	O
features	O
were	O
re-introduced	O
with	O
version	O
1.1	O
of	O
CLDC	B-Language
.	O
</s>
<s>
Parts	O
of	O
the	O
reflection	O
capabilities	O
of	O
the	O
Java	B-Language
standard	I-Language
edition	I-Language
:	O
</s>
<s>
The	O
java.lang.reflect	O
package	B-Language
and	O
any	O
of	O
its	O
classes	O
not	O
supported	O
.	O
</s>
<s>
Methods	O
on	O
java.lang.Class	O
which	O
obtain	O
Constructors	O
or	O
Methods	O
or	O
Fields	O
.	O
</s>
<s>
CLDC	B-Language
does	O
not	O
include	O
the	O
Object.finalize( )	O
method	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
CLDC	B-Language
framework	B-Architecture
to	O
provide	O
a	O
complete	O
Java	B-Device
application	O
environment	O
.	O
</s>
<s>
There	O
are	O
specific	O
profiles	O
for	O
devices	O
ranging	O
from	O
vending	O
machines	O
to	O
set-top	O
boxes	O
,	O
with	O
the	O
mobile	O
phone	O
profile	O
MIDP	B-Language
being	O
the	O
most	O
prevalent	O
.	O
</s>
<s>
The	O
Mobile	B-Language
Information	I-Language
Device	I-Language
Profile	I-Language
is	O
a	O
profile	O
designed	O
for	O
cell	O
phones	O
.	O
</s>
<s>
There	O
are	O
two	O
versions	O
of	O
MIDP	B-Language
available	O
,	O
specified	O
in	O
JSR	B-Language
37	I-Language
(	O
MIDP	B-Language
1.0	O
)	O
and	O
JSR	B-Language
118	I-Language
(	O
MIDP	B-Language
2.0	I-Language
)	O
.	O
</s>
<s>
Both	O
versions	O
provide	O
an	O
LCD	B-Device
oriented	O
GUI	O
API	O
,	O
with	O
MIDP	B-Language
2.0	I-Language
including	O
a	O
basic	O
2D	O
gaming	O
API	O
.	O
</s>
<s>
Applications	O
written	O
to	O
use	O
this	O
profile	O
are	O
called	O
MIDlets	B-Language
.	O
</s>
<s>
Many	O
cell	O
phones	O
come	O
with	O
a	O
MIDP	B-Language
implementation	O
,	O
and	O
it	O
is	O
a	O
popular	O
platform	O
for	O
downloadable	O
cell	O
phone	O
games	O
.	O
</s>
<s>
The	O
Information	O
Module	O
Profile	O
is	O
specified	O
in	O
JSR	B-Language
195	O
and	O
is	O
designed	O
for	O
vending	O
machines	O
,	O
network	O
cards	O
,	O
routers	O
,	O
telephone	O
boxes	O
and	O
other	O
systems	O
with	O
either	O
simple	O
or	O
no	O
display	O
and	O
some	O
form	O
of	O
limited	O
two	O
way	O
network	O
access	O
.	O
</s>
<s>
These	O
are	O
a	O
subset	O
of	O
the	O
javax.microedition.io,	O
rms	O
and	O
midlet	B-Language
packages	O
in	O
MIDP	B-Language
.	O
</s>
<s>
The	O
DoJa	B-Language
profile	O
was	O
designed	O
for	O
the	O
i-mode	O
mobile	O
phone	O
by	O
NTT	O
DoCoMo	O
.	O
</s>
<s>
The	O
Digital	O
Set	O
Top	O
Box	O
profile	O
,	O
specified	O
in	O
JSR	B-Language
242	O
,	O
is	O
designed	O
for	O
the	O
cable	O
market	O
.	O
</s>
<s>
Also	O
referred	O
to	O
as	O
OnRamp	O
,	O
this	O
profile	O
is	O
based	O
on	O
a	O
subset	O
of	O
the	O
OpenCable	B-Device
Application	I-Device
Platform	I-Device
(	O
OCAP	O
)	O
,	O
which	O
defines	O
a	O
set	O
of	O
APIs	O
for	O
the	O
development	O
of	O
applications	O
for	O
set-top	O
boxes	O
and	O
similar	O
devices	O
.	O
</s>
<s>
The	O
profile	O
consists	O
of	O
subsets	O
from	O
the	O
CDC	O
Personal	O
Basis	O
Profile	O
including	O
support	O
for	O
AWT	B-Language
,	O
Xlet	B-Language
,	O
file	O
access	O
,	O
and	O
network	O
APIs	O
,	O
as	O
well	O
as	O
several	O
media-related	O
interfaces	O
from	O
OCAP	O
.	O
</s>
<s>
The	O
whole	O
profile	O
encompassed	O
31	O
Java	B-Language
packages	I-Language
and	O
approximately	O
1500	O
APIs	O
.	O
</s>
<s>
The	O
PDA	B-Application
Optional	O
Packages	O
are	O
specified	O
in	O
JSR-75	B-Language
and	O
are	O
designed	O
for	O
PDAs	B-Application
such	O
as	O
Palm	O
or	O
Windows	B-Operating_System
CE	I-Operating_System
devices	O
.	O
</s>
<s>
The	O
specification	O
defines	O
two	O
independent	O
packages	O
that	O
represent	O
important	O
features	O
found	O
on	O
many	O
PDAs	B-Application
and	O
other	O
mobile	O
devices	O
.	O
</s>
<s>
java.io	O
A	O
streamlined	O
version	O
of	O
the	O
java.io	O
package	B-Language
found	O
in	O
the	O
standard	O
edition	O
for	O
doing	O
Input/Output	O
operations	O
.	O
</s>
<s>
java.lang	O
Contains	O
classes	O
that	O
are	O
essential	O
to	O
the	O
Java	B-Device
language	O
.	O
</s>
<s>
This	O
package	B-Language
contains	O
standard	O
java	B-Device
types	O
like	O
Integers	O
and	O
Strings	O
as	O
well	O
as	O
basic	O
exceptions	O
,	O
math	O
functions	O
,	O
system	O
functions	O
,	O
threading	O
and	O
security	O
functions	O
.	O
</s>
<s>
java.util	O
A	O
streamlined	O
version	O
of	O
the	O
java.util	O
collection	O
library	O
.	O
</s>
<s>
This	O
package	B-Language
contains	O
the	O
collection	O
classes	O
like	O
Vector	O
and	O
Hashtable	B-Algorithm
.	O
</s>
