<s>
OpenJDK	B-Language
(	O
Open	B-Language
Java	I-Language
Development	I-Language
Kit	I-Language
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
implementation	O
of	O
the	O
Java	B-Language
Platform	I-Language
,	I-Language
Standard	I-Language
Edition	I-Language
(	O
Java	B-Language
SE	I-Language
)	O
.	O
</s>
<s>
The	O
implementation	O
is	O
licensed	O
under	O
the	O
GPL-2.0-only	B-License
with	O
a	O
linking	B-Application
exception	I-Application
.	O
</s>
<s>
Were	O
it	O
not	O
for	O
the	O
GPL	B-Application
linking	I-Application
exception	I-Application
,	O
components	O
that	O
linked	O
to	O
the	O
Java	B-Library
Class	I-Library
Library	I-Library
would	O
be	O
subject	O
to	O
the	O
terms	O
of	O
the	O
GPL	B-License
license	I-License
.	O
</s>
<s>
OpenJDK	B-Language
is	O
the	O
official	O
reference	O
implementation	O
of	O
Java	B-Language
SE	I-Language
since	O
version	O
7	O
.	O
</s>
<s>
The	O
OpenJDK	B-Language
project	O
produces	O
a	O
number	O
of	O
components	O
:	O
most	O
importantly	O
the	O
virtual	B-Architecture
machine	I-Architecture
(	O
HotSpot	B-Language
)	O
,	O
the	O
Java	B-Library
Class	I-Library
Library	I-Library
and	O
the	O
Java	B-Device
compiler	O
(	O
javac	B-General_Concept
)	O
.	O
</s>
<s>
The	O
web-browser	O
plugin	O
and	O
Web	B-Application
Start	I-Application
,	O
which	O
form	O
part	O
of	O
Oracle	B-Device
Java	I-Device
,	O
are	O
not	O
included	O
in	O
OpenJDK	B-Language
.	O
</s>
<s>
Sun	O
previously	O
indicated	O
that	O
they	O
would	O
try	O
to	O
open-source	B-Application
these	O
components	O
,	O
but	O
neither	O
Sun	O
nor	O
Oracle	B-Application
have	O
done	O
so	O
.	O
</s>
<s>
The	O
only	O
currently	O
available	O
free	B-Application
plugin	O
and	O
Web	B-Application
Start	I-Application
implementations	O
are	O
those	O
provided	O
by	O
IcedTea	B-Language
.	O
</s>
<s>
OpenJDK	B-Language
9+	O
supports	O
AOT	B-Application
compilation	I-Application
(	O
)	O
using	O
GraalVM	B-Language
(	O
JEP	O
295	O
)	O
.	O
</s>
<s>
The	O
experimental	O
flag	O
enables	O
the	O
use	O
of	O
Graal	B-Language
JIT	O
(	O
JEP	O
317	O
)	O
.	O
</s>
<s>
OpenJDK	B-Language
was	O
initially	O
based	O
only	O
on	O
the	O
JDK	B-Language
7	O
version	O
of	O
the	O
Java	B-Device
platform	I-Device
.	O
</s>
<s>
Since	O
JDK	B-Language
10	O
,	O
the	O
effort	O
to	O
produce	O
an	O
open-source	B-Application
reference	O
implementation	O
of	O
the	O
Java	B-Language
SE	I-Language
Platform	I-Language
was	O
moved	O
over	O
to	O
the	O
JDK	B-Language
Project	O
.	O
</s>
<s>
Unlike	O
past	O
JDK	B-Language
Release	O
Projects	O
,	O
which	O
produced	O
just	O
one	O
feature	O
release	O
and	O
then	O
terminated	O
,	O
this	O
long-running	O
project	O
will	O
produce	O
all	O
future	O
JDK	B-Language
feature	O
releases	O
and	O
will	O
ship	O
a	O
feature	O
release	O
every	O
six	O
months	O
according	O
to	O
a	O
strict	O
,	O
time-based	O
model	O
.	O
</s>
<s>
Due	O
to	O
Oracle	B-Application
no	O
longer	O
releasing	O
updates	O
for	O
long-term	O
support	O
(	O
LTS	O
)	O
releases	O
under	O
a	O
permissive	O
license	O
,	O
others	O
have	O
begun	O
offering	O
builds	O
.	O
</s>
<s>
Linux	B-Application
distributions	O
have	O
always	O
offered	O
their	O
own	O
builds	O
,	O
and	O
Windows	O
also	O
offers	O
one	O
now	O
;	O
</s>
<s>
In	O
order	O
to	O
bundle	O
OpenJDK	B-Language
in	O
Fedora	O
and	O
other	O
free	B-Application
Linux	B-Application
distributions	O
,	O
OpenJDK	B-Language
needed	O
to	O
be	O
buildable	O
using	O
only	O
free	B-Application
software	I-Application
components	O
.	O
</s>
<s>
Due	O
to	O
the	O
encumbered	B-Application
components	O
in	O
the	O
class	B-Library
library	I-Library
and	O
implicit	O
assumptions	O
within	O
the	O
build	O
system	O
that	O
the	O
JDK	B-Language
being	O
used	O
to	O
build	O
OpenJDK	B-Language
was	O
a	O
Sun	O
JDK	B-Language
,	O
this	O
was	O
not	O
possible	O
.	O
</s>
<s>
To	O
achieve	O
openness	O
,	O
Red	O
Hat	O
started	O
the	O
IcedTea	B-Language
project	O
in	O
June	O
2007	O
.	O
</s>
<s>
It	O
began	O
life	O
as	O
an	O
OpenJDK/GNU	O
Classpath	O
hybrid	O
that	O
could	O
be	O
used	O
to	O
bootstrap	B-Application
OpenJDK	B-Language
,	O
replacing	O
the	O
encumbrances	O
with	O
code	O
from	O
GNU	B-Language
Classpath	I-Language
.	O
</s>
<s>
On	O
November	O
5	O
,	O
2007	O
,	O
Red	O
Hat	O
signed	O
both	O
the	O
Sun	O
Contributor	O
Agreement	O
and	O
the	O
OpenJDK	B-Language
Community	O
TCK	B-Language
License	O
.	O
</s>
<s>
One	O
of	O
the	O
first	O
benefits	O
of	O
this	O
agreement	O
is	O
tighter	O
alignment	O
with	O
the	O
IcedTea	B-Language
project	O
,	O
which	O
brings	O
together	O
Fedora	O
,	O
the	O
Linux	B-Application
distribution	O
,	O
and	O
JBoss	B-Language
,	O
the	O
application	O
server	O
,	O
technologies	O
in	O
a	O
Linux	B-Application
environment	O
.	O
</s>
<s>
IcedTea	B-Language
provided	O
free	B-Application
software	I-Application
alternatives	O
for	O
the	O
few	O
remaining	O
proprietary	B-Application
sections	O
in	O
the	O
OpenJDK	B-Language
project	O
.	O
</s>
<s>
distributions	O
included	O
IcedTea	B-Language
6	O
,	O
based	O
completely	O
on	O
free	B-License
and	I-License
open	I-License
source	I-License
code	O
.	O
</s>
<s>
Fedora	O
9	O
was	O
the	O
first	O
version	O
to	O
be	O
shipped	O
with	O
IcedTea6	B-Language
,	O
based	O
on	O
the	O
OpenJDK6	O
sources	O
from	O
Sun	O
rather	O
than	O
OpenJDK7	O
.	O
</s>
<s>
It	O
was	O
also	O
the	O
first	O
to	O
use	O
OpenJDK	B-Language
for	O
the	O
package	O
name	O
(	O
via	O
the	O
)	O
instead	O
of	O
IcedTea	B-Language
.	O
</s>
<s>
Ubuntu	B-Operating_System
also	O
first	O
packaged	O
IcedTea7	B-Language
before	O
later	O
moving	O
to	O
IcedTea6	B-Language
.	O
</s>
<s>
Packages	O
for	O
IcedTea6	B-Language
were	O
also	O
created	O
for	O
Debian	O
and	O
included	O
in	O
Lenny	O
.	O
</s>
<s>
On	O
July	O
12	O
,	O
2008	O
,	O
Debian	O
accepted	O
OpenJDK-6	O
in	O
unstable	O
,	O
and	O
it	O
later	O
was	O
included	O
in	O
stable	O
.	O
</s>
<s>
OpenJDK	B-Language
is	O
also	O
available	O
on	O
openSUSE	B-Operating_System
,	O
Red	O
Hat	O
Enterprise	O
Linux	B-Application
and	O
RHEL	O
derivatives	O
such	O
as	O
CentOS	O
.	O
</s>
<s>
In	O
June	O
2008	O
,	O
Red	O
Hat	O
announced	O
that	O
the	O
packaged	O
binaries	O
for	O
OpenJDK	B-Language
on	O
Fedora	O
9	O
,	O
built	O
using	O
IcedTea	B-Language
6	O
,	O
had	O
passed	O
the	O
Technology	B-Language
Compatibility	I-Language
Kit	I-Language
tests	O
and	O
could	O
claim	O
to	O
be	O
a	O
fully	O
compatible	O
Java	B-Device
6	O
implementation	O
.	O
</s>
<s>
In	O
July	O
2009	O
,	O
an	O
IcedTea	B-Language
6	O
binary	O
build	O
for	O
Ubuntu	B-Operating_System
9.04	I-Operating_System
passed	O
all	O
of	O
the	O
compatibility	O
tests	O
in	O
the	O
Java	B-Language
SE	I-Language
6	O
TCK	B-Language
.	O
</s>
<s>
Since	O
August	O
2008	O
,	O
OpenJDK	B-Language
7	O
is	O
usable	O
on	O
macOS	B-Operating_System
and	O
other	O
BSD	B-Operating_System
variants	O
.	O
</s>
<s>
On	O
Android	B-Application
Nougat	I-Application
,	O
OpenJDK	B-Language
replaced	O
the	O
now-discontinued	O
Apache	B-Application
Harmony	I-Application
as	O
the	O
Java	B-Device
libraries	O
in	O
the	O
source	O
code	O
of	O
the	O
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
Google	B-Application
was	O
in	O
a	O
legal	B-Language
dispute	I-Language
with	I-Language
Oracle	I-Language
over	O
claims	O
of	O
copyright	O
and	O
patent	O
infringement	O
through	O
its	O
use	O
of	O
re-implementations	O
of	O
copyrighted	O
Java	B-Device
APIs	O
via	O
Harmony	O
.	O
</s>
<s>
While	O
also	O
stating	O
that	O
this	O
change	O
was	O
to	O
create	O
a	O
more	O
consistent	O
platform	O
between	O
Java	B-Device
on	O
Android	O
and	O
other	O
platforms	O
,	O
the	O
company	O
admitted	O
that	O
the	O
switch	O
was	O
motivated	O
by	O
the	O
lawsuit	O
,	O
arguing	O
that	O
Oracle	B-Application
had	O
authorized	O
its	O
use	O
of	O
the	O
OpenJDK	B-Language
code	O
by	O
licensing	O
it	O
under	O
the	O
GPL	B-License
.	O
</s>
<s>
Sun	O
announced	O
in	O
JavaOne	O
2006	O
that	O
Java	B-Device
would	O
become	O
open-source	B-Application
software	I-Application
,	O
and	O
on	O
October	O
25	O
,	O
2006	O
,	O
at	O
the	O
Oracle	B-Application
OpenWorld	O
conference	O
,	O
Jonathan	O
Schwartz	O
said	O
that	O
the	O
company	O
intended	O
to	O
announce	O
the	O
open-sourcing	O
of	O
the	O
core	O
Java	B-Device
Platform	I-Device
within	O
30	O
to	O
60	O
days	O
.	O
</s>
<s>
Sun	O
released	O
the	O
Java	B-Language
HotSpot	I-Language
virtual	I-Language
machine	I-Language
and	O
compiler	O
as	O
free	B-Application
software	I-Application
under	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
on	O
November	O
13	O
,	O
2006	O
,	O
with	O
a	O
promise	O
that	O
the	O
rest	O
of	O
the	O
JDK	B-Language
(	O
which	O
includes	O
the	O
Java	B-Device
Runtime	O
Environment	O
)	O
would	O
be	O
placed	O
under	O
the	O
GPL	B-License
by	O
March	O
2007	O
,	O
"	O
except	O
for	O
a	O
few	O
components	O
that	O
Sun	O
does	O
not	O
have	O
the	O
right	O
to	O
publish	O
in	O
source	O
form	O
under	O
the	O
GPL	B-License
"	O
.	O
</s>
<s>
According	O
to	O
free-software	B-Application
advocate	O
Richard	O
Stallman	O
,	O
this	O
would	O
end	O
the	O
"	O
Java	B-Device
trap	O
"	O
,	O
the	O
vendor	O
lock-in	O
that	O
he	O
argues	O
applied	O
to	O
Java	B-Device
and	O
programs	O
written	O
in	O
Java	B-Device
.	O
</s>
<s>
Following	O
their	O
promise	O
to	O
release	O
a	O
Java	B-Language
Development	I-Language
Kit	I-Language
(	O
JDK	B-Language
)	O
based	O
almost	O
completely	O
on	O
free	B-License
and	I-License
open-source	I-License
code	O
in	O
the	O
first	O
half	O
of	O
2007	O
,	O
Sun	O
released	O
the	O
complete	O
source	O
code	O
of	O
the	O
Java	B-Library
Class	I-Library
Library	I-Library
under	O
the	O
GPL	B-License
on	O
May	O
8	O
,	O
2007	O
,	O
except	O
for	O
some	O
limited	O
parts	O
that	O
had	O
been	O
licensed	O
to	O
Sun	O
by	O
third	O
parties	O
and	O
Sun	O
was	O
unable	O
to	O
re-license	O
under	O
the	O
GPL	B-License
.	O
</s>
<s>
Included	O
in	O
the	O
list	O
of	O
encumbered	B-Application
parts	O
were	O
several	O
major	O
components	O
of	O
the	O
Java	B-Device
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
.	O
</s>
<s>
Sun	O
stated	O
that	O
it	O
planned	O
to	O
replace	O
the	O
remaining	O
proprietary	B-Application
components	O
with	O
alternative	O
implementations	O
and	O
to	O
make	O
the	O
class	B-Library
library	I-Library
completely	O
free	B-Application
.	O
</s>
<s>
When	O
initially	O
released	O
in	O
May	O
2007	O
,	O
4%	O
of	O
the	O
OpenJDK	B-Language
class	B-Library
library	I-Library
remained	O
proprietary	B-Application
.	O
</s>
<s>
By	O
the	O
appearance	O
of	O
OpenJDK	B-Language
6	O
in	O
May	O
2008	O
,	O
less	O
than	O
1%	O
(	O
the	O
SNMP	B-Protocol
implementation	O
,	O
which	O
is	O
not	O
part	O
of	O
the	O
Java	B-Device
specification	O
)	O
remained	O
,	O
making	O
it	O
possible	O
to	O
build	O
OpenJDK	B-Language
without	O
any	O
binary	O
plugs	O
.	O
</s>
<s>
The	O
binary	O
plug	O
requirement	O
was	O
later	O
dropped	O
from	O
OpenJDK	B-Language
7	O
as	O
part	O
of	O
b53	O
in	O
April	O
2009	O
.	O
</s>
<s>
This	O
was	O
made	O
possible	O
,	O
over	O
the	O
course	O
of	O
the	O
first	O
year	O
,	O
by	O
the	O
work	O
of	O
Sun	O
Microsystems	O
and	O
the	O
OpenJDK	B-Language
community	O
.	O
</s>
<s>
Each	O
encumbrance	O
was	O
either	O
released	O
as	O
free	B-License
and	I-License
open-source	I-License
software	I-License
or	O
replaced	O
with	O
an	O
alternative	O
.	O
</s>
<s>
Beginning	O
in	O
December	O
2010	O
,	O
all	O
the	O
so-called	O
binary	O
plugs	O
were	O
replaced	O
by	O
open-source	B-Application
replacements	O
,	O
making	O
the	O
whole	O
JDK	B-Language
open	O
sourced	O
and	O
the	O
binary	O
plugs	O
not	O
necessary	O
anymore	O
.	O
</s>
<s>
On	O
November	O
5	O
,	O
2007	O
,	O
Red	O
Hat	O
announced	O
an	O
agreement	O
with	O
Sun	O
,	O
signing	O
Sun	O
's	O
broad	O
contributor	O
agreement	O
(	O
which	O
covers	O
participation	O
in	O
all	O
Sun-led	O
free	B-License
and	I-License
open-source	I-License
software	I-License
projects	O
by	O
all	O
Red	O
Hat	O
engineers	O
)	O
and	O
Sun	O
's	O
OpenJDK	B-Language
Community	O
Technology	B-Language
Compatibility	I-Language
Kit	I-Language
(	O
TCK	B-Language
)	O
License	O
Agreement	O
(	O
which	O
gives	O
the	O
company	O
access	O
to	O
the	O
test	O
suite	O
that	O
determines	O
whether	O
a	O
project	O
based	O
on	O
OpenJDK	B-Language
complies	O
with	O
the	O
Java	B-Language
SE	I-Language
6	O
specification	O
)	O
.	O
</s>
<s>
Also	O
in	O
November	O
2007	O
,	O
the	O
Porters	O
Group	O
was	O
created	O
on	O
OpenJDK	B-Language
to	O
aid	O
in	O
efforts	O
to	O
port	O
OpenJDK	B-Language
to	O
different	O
processor	B-General_Concept
architectures	I-General_Concept
and	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
The	O
BSD	B-Operating_System
porting	O
project	O
led	O
by	O
Kurt	O
Miller	O
and	O
Greg	O
Lewis	O
and	O
the	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
porting	O
project	O
(	O
based	O
on	O
the	O
BSD	B-Operating_System
one	O
)	O
led	O
by	O
Landon	O
Fuller	O
have	O
expressed	O
interest	O
in	O
joining	O
OpenJDK	B-Language
via	O
the	O
Porters	O
Group	O
.	O
</s>
<s>
Another	O
project	O
pending	O
formalization	O
on	O
the	O
Porters	O
Group	O
is	O
the	O
Haiku	B-Language
Java	B-Device
Team	O
led	O
by	O
Bryan	O
Varner	O
.	O
</s>
<s>
In	O
December	O
2007	O
,	O
Sun	O
moved	O
the	O
revision	B-Architecture
control	I-Architecture
of	O
OpenJDK	B-Language
from	O
TeamWare	B-Protocol
to	O
Mercurial	B-Protocol
(	O
and	O
later	O
to	O
Git	B-Application
and	O
GitHub	B-Application
)	O
,	O
as	O
part	O
of	O
the	O
process	O
of	O
releasing	O
it	O
to	O
open-source	B-Application
communities	O
.	O
</s>
<s>
OpenJDK	B-Language
has	O
comparatively	O
strict	O
procedures	O
of	O
accepting	O
code	O
contributions	O
:	O
every	O
proposed	O
contribution	O
must	O
be	O
reviewed	O
by	O
another	O
OpenJDK	B-Language
committer	O
and	O
the	O
contributor	O
must	O
have	O
signed	O
the	O
Sun/Oracle	O
Contributor	O
Agreement	O
(	O
SCA/OCA	O
)	O
.	O
</s>
<s>
Preferably	O
,	O
there	O
should	O
also	O
be	O
a	O
jtreg	B-Language
test	O
demonstrating	O
the	O
bug	O
has	O
been	O
fixed	O
.	O
</s>
<s>
Initially	O
,	O
the	O
external	O
patch	O
submission	O
process	O
was	O
slow	O
and	O
,	O
until	O
September	O
2008	O
,	O
commits	O
to	O
the	O
codebase	B-General_Concept
were	O
only	O
made	O
by	O
Sun	O
engineers	O
.	O
</s>
<s>
The	O
process	O
has	O
improved	O
and	O
,	O
,	O
simple	O
patches	O
and	O
backports	O
from	O
OpenJDK	B-Language
7	O
to	O
OpenJDK	B-Language
6	O
can	O
take	O
place	O
within	O
hours	O
rather	O
than	O
days	O
.	O
</s>
<s>
In	O
2011	O
,	O
an	O
unofficial	O
port	O
of	O
OpenJDK	B-Language
6.0	O
to	O
OS/2	O
was	O
first	O
released	O
.	O
</s>
<s>
This	O
port	O
is	O
included	O
in	O
the	O
OS/2	O
derivative	O
ArcaOS	B-Device
.	O
</s>
<s>
On	O
25	O
September	O
2013	O
,	O
Microsoft	O
and	O
Azul	O
Systems	O
collaborated	O
to	O
create	O
Zulu	O
,	O
a	O
build	O
of	O
OpenJDK	B-Language
for	O
users	O
of	O
the	O
Windows	O
Azure	O
cloud	O
.	O
</s>
<s>
Zulu	O
is	O
available	O
as	O
a	O
free	B-Application
download	O
from	O
the	O
community	O
site	O
.	O
</s>
<s>
It	O
is	O
also	O
possible	O
to	O
get	O
Zulu	O
on	O
Amazon	B-Application
Web	O
Services	O
via	O
Canonical	O
's	O
Juju	O
Charm	O
Store	O
,	O
the	O
Docker	O
Hub	O
,	O
and	O
Azul	O
Systems	O
repositories	O
.	O
</s>
<s>
Azul	O
contributes	O
bug	O
fixes	O
and	O
enhancements	O
back	O
to	O
the	O
OpenJDK	B-Language
project	O
and	O
has	O
several	O
project	O
committers	O
on	O
staff	O
.	O
</s>
<s>
Red	O
Hat	O
resigned	O
leadership	O
of	O
OpenJDK	B-Language
6	O
at	O
the	O
beginning	O
of	O
2017	O
and	O
this	O
was	O
then	O
taken	O
up	O
by	O
Azul	O
Systems	O
.	O
</s>
<s>
Since	O
April	O
2016	O
there	O
are	O
unsupported	O
community	O
builds	O
of	O
OpenJDK	B-Language
for	O
Microsoft	B-Application
Windows	I-Application
on	O
GitHub	B-Application
in	O
the	O
project	O
which	O
are	O
released	O
in	O
pace	O
with	O
updates	O
for	O
Oracle	B-Application
JDK	B-Language
.	O
</s>
<s>
From	O
build	O
8u151	O
on	O
,	O
the	O
MSI-installer	O
offers	O
an	O
optional	O
component	O
for	O
using	O
Java	B-Application
Web	I-Application
Start	I-Application
based	O
on	O
the	O
IcedTea-Web	O
project	O
.	O
</s>
<s>
In	O
2020	O
,	O
a	O
port	O
of	O
OpenJDK	B-Language
8	O
to	O
OpenVMS	B-Operating_System
on	O
the	O
Itanium	B-General_Concept
platform	O
was	O
released	O
.	O
</s>
<s>
The	O
number	O
of	O
external	O
contributions	O
to	O
OpenJDK	B-Language
is	O
growing	O
since	O
project	O
inception	O
.	O
</s>
<s>
OpenJDK	B-Language
11	O
,	O
released	O
in	O
September	O
2018	O
,	O
received	O
20%	O
of	O
external	O
fixes	O
and	O
brought	O
17	O
new	O
JEPs	O
(	O
features	O
)	O
,	O
out	O
of	O
which	O
3	O
were	O
contributed	O
by	O
the	O
community	O
.	O
</s>
<s>
Namely	O
,	O
JEP	O
315	O
:	O
"	O
Improve	O
Aarch64	O
Intrinsics	O
"	O
(	O
contributed	O
by	O
BellSoft	O
)	O
,	O
JEP	O
318	O
:	O
"	O
Epsilon	O
:	O
A	O
No-Op	O
Garbage	O
Collector	O
"	O
(	O
by	O
Red	O
Hat	O
)	O
and	O
JEP	O
331	O
:	O
"	O
Low-Overhead	O
Heap	O
Profiling	O
"	O
(	O
contributed	O
by	O
Google	B-Application
)	O
.	O
</s>
<s>
On	O
October	O
11	O
,	O
2010	O
,	O
IBM	O
,	O
by	O
far	O
the	O
biggest	O
participant	O
in	O
the	O
Apache	B-Application
Harmony	I-Application
project	O
,	O
decided	O
to	O
join	O
Oracle	B-Application
on	O
the	O
OpenJDK	B-Language
project	O
,	O
effectively	O
shifting	O
its	O
efforts	O
from	O
Harmony	O
to	O
OpenJDK	B-Language
.	O
</s>
<s>
Bob	O
Sutor	O
,	O
IBM	O
's	O
head	O
of	O
Linux	B-Application
and	O
open	B-Application
source	I-Application
,	O
blogged	O
that	O
"	O
IBM	O
will	O
be	O
shifting	O
its	O
development	O
effort	O
from	O
the	O
Apache	O
Project	O
Harmony	O
to	O
OpenJDK	B-Language
"	O
.	O
</s>
<s>
On	O
November	O
12	O
,	O
2010	O
,	O
Apple	O
Inc	O
.	O
(	O
just	O
three	O
weeks	O
after	O
deprecating	O
its	O
own	O
Java	B-Device
runtime	O
port	O
)	O
and	O
Oracle	B-Application
Corporation	I-Application
announced	O
the	O
OpenJDK	B-Language
project	O
for	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
.	O
Apple	O
will	O
contribute	O
most	O
of	O
the	O
key	O
components	O
,	O
tools	O
and	O
technology	O
required	O
for	O
a	O
Java	B-Language
SE	I-Language
7	O
implementation	O
on	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
including	O
a	O
32-bit	O
and	O
64-bit	O
HotSpot-based	O
Java	B-Device
virtual	B-Architecture
machine	I-Architecture
,	O
class	O
libraries	O
,	O
a	O
networking	O
stack	O
and	O
the	O
foundation	O
for	O
a	O
new	O
graphical	O
client	O
.	O
</s>
<s>
On	O
January	O
11	O
,	O
2011	O
,	O
the	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
Port	O
Project	O
was	O
created	O
on	O
OpenJDK	B-Language
,	O
and	O
Apple	O
made	O
the	O
first	O
public	O
contribution	O
of	O
code	O
to	O
the	O
project	O
.	O
</s>
<s>
The	O
initial	O
Apple	O
contribution	O
built	O
on	O
the	O
OpenJDK	B-Language
BSD	B-Operating_System
port	O
.	O
</s>
<s>
In	O
July	O
2011	O
,	O
SAP	B-Application
AG	I-Application
announced	O
that	O
SAP	B-Application
officially	O
joined	O
the	O
OpenJDK	B-Language
project	O
.	O
</s>
