<s>
Mika	B-Language
VM	I-Language
is	O
an	O
open-source	B-Application
implementation	O
of	O
the	O
Java	B-Language
virtual	I-Language
machine	I-Language
specification	I-Language
,	O
together	O
with	O
class	O
libraries	O
which	O
implement	O
the	O
Connected	B-Language
Device	I-Language
Configuration	I-Language
of	O
Java	B-Language
ME	I-Language
.	O
</s>
<s>
Mika	B-Language
VM	I-Language
is	O
based	O
on	O
Wonka	B-Language
VM	I-Language
,	O
which	O
was	O
developed	O
independently	O
of	O
any	O
other	O
implementation	O
,	O
including	O
Sun	O
Microsystem	O
's	O
RI	O
.	O
</s>
<s>
The	O
same	O
is	O
true	O
of	O
most	O
of	O
the	O
class	O
libraries	O
,	O
but	O
in	O
this	O
case	O
some	O
code	O
is	O
drawn	O
from	O
the	O
GNU	B-Language
Classpath	I-Language
and	O
Apache	B-Application
Harmony	I-Application
projects	O
.	O
</s>
<s>
MikaVM	O
support	O
MIDP	B-Language
(	O
Mobile	B-Language
Information	I-Language
Device	I-Language
Profile	I-Language
)	O
1.0	O
and	O
2.0	O
,	O
CDC	O
(	O
Connected	B-Language
Device	I-Language
Configuration	I-Language
)	O
Personal	O
Profile	O
.	O
</s>
<s>
Mika	B-Language
VM	I-Language
was	O
created	O
by	O
one	O
of	O
the	O
original	O
Wonka	B-Language
VM	I-Language
developers	O
after	O
Acunia	O
's	O
demise	O
and	O
the	O
acquisition	O
of	O
its	O
assets	O
by	O
Punch	O
International	O
.	O
</s>
<s>
The	O
original	O
intention	O
was	O
to	O
create	O
a	O
smaller	O
VM	O
(	O
a	O
mini	O
-	O
or	O
micro-Wonka	O
,	O
hence	O
the	O
name	O
)	O
which	O
would	O
be	O
useful	O
for	O
example	O
on	O
ARM7TDMI	O
devices	O
with	O
no	O
MMU	B-General_Concept
.	O
</s>
<s>
In	O
time	O
however	O
Mika	O
became	O
a	O
full	O
replacement	O
for	O
Wonka	B-Language
,	O
and	O
may	O
be	O
considered	O
as	O
its	O
successor	O
.	O
</s>
<s>
Mika	O
is	O
based	O
on	O
the	O
Wonka	B-Language
codebase	O
,	O
and	O
is	O
also	O
open	O
source	O
under	O
the	O
BSD	B-Operating_System
license	I-Operating_System
.	O
</s>
<s>
Like	O
Wonka	B-Language
,	O
Mika	O
is	O
intended	O
for	O
use	O
in	O
embedded	O
devices	O
.	O
</s>
<s>
The	O
VM	O
and	O
class	O
libraries	O
are	O
therefore	O
purposely	O
limited	O
to	O
the	O
packages	O
required	O
by	O
the	O
OSGi	B-Application
Execution	O
Environment	O
,	O
and	O
features	O
introduced	O
in	O
Java5	O
or	O
later	O
are	O
not	O
supported	O
.	O
</s>
<s>
Supported	O
operating	O
systems	O
are	O
Linux	B-Application
and	O
uClinux	B-Application
(	O
a	O
proof-of-concept	O
port	O
to	O
eCos	B-Operating_System
has	O
also	O
been	O
made	O
)	O
,	O
and	O
supported	O
architectures	O
include	O
x86	O
,	O
arm	O
,	O
mips	O
,	O
and	O
powerpc	O
,	O
including	O
non-MMU	O
variants	O
where	O
applicable	O
.	O
</s>
