<s>
Pnuts	B-Language
is	O
a	O
dynamic	O
scripting	B-Language
language	I-Language
for	O
the	O
Java	B-Device
platform	I-Device
.	O
</s>
<s>
It	O
is	O
designed	O
to	O
be	O
used	O
in	O
a	O
dual	O
language	O
system	O
with	O
the	O
Java	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
The	O
goals	O
of	O
the	O
Pnuts	B-Language
project	O
are	O
to	O
provide	O
a	O
small	O
,	O
fast	O
scripting	B-Language
language	I-Language
that	O
has	O
tight	O
integration	O
with	O
the	O
Java	B-Language
language	I-Language
.	O
</s>
<s>
Pnuts	B-Language
uses	O
syntax	O
that	O
is	O
simple	O
and	O
friendly	O
to	O
Java	B-Language
developers	O
,	O
while	O
also	O
being	O
very	O
expressive	O
.	O
</s>
<s>
Because	O
Java	B-Language
and	O
Pnuts	B-Language
share	O
the	O
same	O
type	O
system	O
,	O
Java	B-Language
code	I-Language
can	O
easily	O
invoke	O
or	O
define	O
Pnuts	B-Language
functions	O
.	O
</s>
<s>
Likewise	O
,	O
Pnuts	B-Language
code	O
can	O
easily	O
manipulate	O
Java	B-Language
objects	O
.	O
</s>
<s>
Pnuts	B-Language
code	O
can	O
even	O
define	O
Java	B-Language
classes	O
.	O
</s>
<s>
Because	O
Pnuts	B-Language
compiles	O
to	O
Java	B-Language
byte	O
codes	O
,	O
these	O
classes	O
can	O
be	O
used	O
by	O
Java	B-Language
just	O
like	O
any	O
other	O
class	O
.	O
</s>
<s>
A	O
class	O
written	O
in	O
Pnuts	B-Language
can	O
even	O
later	O
be	O
replaced	O
by	O
a	O
class	O
written	O
in	O
Java	B-Language
with	O
no	O
other	O
code	O
changes	O
.	O
</s>
<s>
Pnuts	B-Language
syntax	O
can	O
look	O
very	O
similar	O
to	O
Java	B-Language
.	O
</s>
<s>
The	O
following	O
is	O
a	O
code	O
sample	O
written	O
in	O
Java	B-Language
that	O
is	O
also	O
a	O
valid	O
Pnuts	B-Language
script	O
:	O
</s>
<s>
Alternatively	O
,	O
the	O
expressiveness	O
of	O
Pnuts	B-Language
could	O
be	O
utilized	O
:	O
</s>
<s>
Pnuts	B-Language
was	O
originally	O
developed	O
in	O
1997	O
by	O
Toyokazu	O
Tomatsu	O
as	O
a	O
testing	O
tool	O
for	O
Java	B-Language
classes	O
.	O
</s>
<s>
Pnuts	B-Language
has	O
since	O
been	O
extended	O
,	O
mainly	O
focusing	O
on	O
essential	O
functionality	O
required	O
for	O
a	O
Java-based	O
scripting	B-Language
engine	I-Language
,	O
such	O
as	O
a	O
module	B-Architecture
system	I-Architecture
and	O
bytecode	O
compiler	O
.	O
</s>
<s>
Commercial	O
usage	O
of	O
Pnuts	B-Language
includes	O
Rockwell	O
Automation	O
's	O
FactoryTalk	O
development	O
system	O
.	O
</s>
