<s>
Visual	O
J#	O
(	O
pronounced	O
"	O
jay-sharp	O
"	O
)	O
is	O
a	O
discontinued	O
implementation	O
of	O
the	O
J#	O
programming	O
language	O
that	O
was	O
a	O
transitional	O
language	O
for	O
programmers	O
of	O
Java	B-Language
and	O
Visual	B-Application
J++	I-Application
languages	O
,	O
so	O
they	O
could	O
use	O
their	O
existing	O
knowledge	O
and	O
applications	O
with	O
the	O
.NET	B-Application
Framework	I-Application
.	O
</s>
<s>
J#	O
worked	O
with	O
Java	B-Language
bytecode	I-Language
as	O
well	O
as	O
source	O
so	O
it	O
could	O
be	O
used	O
to	O
transition	O
applications	O
that	O
used	O
third-party	O
libraries	B-Library
even	O
if	O
their	O
original	O
source	O
code	O
was	O
unavailable	O
.	O
</s>
<s>
The	O
implementation	O
of	O
Java	B-Language
in	O
Visual	B-Application
J++	I-Application
,	O
MSJVM	O
,	O
did	O
not	O
pass	O
Sun	O
's	O
compliance	O
tests	O
leading	O
to	O
a	O
lawsuit	O
from	O
Sun	O
,	O
Java	B-Language
's	O
creator	O
,	O
and	O
creation	O
of	O
J#	O
.	O
</s>
<s>
Microsoft	O
ceased	O
such	O
support	O
for	O
the	O
MSJVM	O
on	O
December	O
31	O
,	O
2007	O
(	O
later	O
Oracle	O
bought	O
Sun	O
,	O
and	O
with	O
it	O
Java	B-Language
and	O
its	O
trademarks	O
)	O
.	O
</s>
<s>
Microsoft	O
however	O
,	O
officially	O
started	O
distributing	O
Java	B-Language
again	O
in	O
2021	O
(	O
though	O
not	O
bundled	O
with	O
Windows	O
or	O
its	O
web	B-Application
browsers	I-Application
as	O
before	O
with	O
J++	B-Application
)	O
,	O
i.e.	O
</s>
<s>
to	O
September	O
2027	O
for	O
Java	B-Language
17	O
.	O
</s>
<s>
Java	B-Language
and	O
J#	O
use	O
the	O
same	O
general	O
syntax	O
but	O
there	O
are	O
non-Java	O
conventions	O
in	O
J#	O
to	O
support	O
the	O
.NET	B-Application
environment	O
.	O
</s>
<s>
For	O
example	O
,	O
to	O
use	O
.NET	B-Application
"	O
properties	O
"	O
with	O
a	O
standard	O
JavaBean	O
class	O
,	O
it	O
is	O
necessary	O
to	O
prefix	O
getter	O
and	O
setter	O
methods	O
with	O
the	O
Javadoc-like	O
annotation	O
:	O
</s>
<s>
J#	O
does	O
not	O
compile	O
Java-language	O
source	O
code	O
to	O
Java	B-Language
bytecode	I-Language
(	O
.class	O
files	O
)	O
,	O
and	O
does	O
not	O
support	O
Java	B-Application
applet	I-Application
development	O
or	O
the	O
ability	O
to	O
host	O
applets	O
directly	O
in	O
a	O
web	B-Application
browser	I-Application
,	O
although	O
it	O
does	O
provide	O
a	O
wrapper	O
called	O
Microsoft	O
J#	O
Browser	B-Application
Controls	O
for	O
hosting	O
them	O
as	O
ActiveX	B-Application
objects	I-Application
.	O
</s>
<s>
Finally	O
,	O
Java	B-Language
Native	I-Language
Interface	I-Language
(	O
JNI	B-Language
)	O
and	O
raw	O
native	O
interface	O
(	O
RNI	O
)	O
are	O
substituted	O
with	O
P/Invoke	O
;	O
J#	O
does	O
not	O
support	O
remote	B-Operating_System
method	I-Operating_System
invocation	I-Operating_System
(	O
RMI	O
)	O
.	O
</s>
<s>
InfoWorld	O
said	O
:	O
"	O
J#'s	O
interface	O
to	O
the	O
.NET	B-Application
framework	I-Application
is	O
solid	O
,	O
but	O
not	O
as	O
seamless	O
as	O
C#	B-Application
.	O
</s>
<s>
In	O
particular	O
,	O
J#	O
code	O
cannot	O
define	O
new	O
.NET	B-Application
attributes	O
,	O
events	O
,	O
value	O
types	O
,	O
or	O
delegates	O
.	O
</s>
<s>
J#	O
can	O
make	O
use	O
of	O
these	O
language	O
constructs	O
if	O
they	O
are	O
defined	O
in	O
an	O
assembly	O
written	O
in	O
another	O
language	O
,	O
but	O
its	O
inability	O
to	O
define	O
new	O
ones	O
limits	O
J#'s	O
reach	O
and	O
interoperability	O
compared	O
to	O
other	O
.NET	B-Application
languages.	O
"	O
</s>
<s>
Contrariwise	O
,	O
Microsoft	O
documentation	O
for	O
Visual	B-Application
Studio	I-Application
2005	O
details	O
the	O
definition	O
of	O
.NET	B-Application
delegates	O
,	O
events	O
,	O
and	O
value	O
types	O
directly	O
in	O
J#	O
.	O
</s>
<s>
That	O
Microsoft	O
would	O
produce	O
an	O
updated	O
version	O
of	O
Visual	O
J#	O
2.0	O
,	O
including	O
a	O
64-bit	B-Device
redistributable	B-License
version	O
,	O
called	O
J#	O
2.0	O
Second	O
Edition	O
to	O
meet	O
customer	O
demand	O
for	O
64-bit	B-Device
runtime	O
support	O
.	O
</s>
<s>
Retirement	O
of	O
the	O
J#	O
language	O
and	O
Java	B-Language
Language	I-Language
Conversion	O
Assistant	O
from	O
future	O
versions	O
of	O
Visual	B-Application
Studio	I-Application
.	O
</s>
<s>
The	O
last	O
version	O
,	O
shipping	O
with	O
Visual	B-Application
Studio	I-Application
2005	O
,	O
was	O
supported	O
until	O
2015	O
.	O
</s>
<s>
Calling	O
J#	O
code	O
from	O
.NET	B-Application
4.0	O
code	O
would	O
fail	O
unless	O
vjsnativ.dll	O
was	O
pre-loaded	O
.	O
</s>
<s>
Visual	O
J#	O
is	O
out	O
of	O
support	O
including	O
the	O
Visual	O
J#	O
2.0	O
Redistributable	B-License
Second	O
Edition	O
released	O
in	O
2007	O
,	O
that	O
was	O
supported	O
through	O
to	O
2017	O
"	O
(	O
5	O
years	O
mainstream	O
and	O
5	O
years	O
extended	O
support	O
)	O
on	O
EN-US	O
locales.	O
"	O
</s>
