<s>
Join	B-Language
Java	I-Language
is	O
a	O
programming	O
language	O
based	O
on	O
the	O
join-pattern	B-Operating_System
that	O
extends	O
the	O
standard	O
Java	B-Language
programming	I-Language
language	I-Language
with	O
the	O
join	O
semantics	O
of	O
the	O
join-calculus	B-Language
.	O
</s>
<s>
The	O
Join	B-Language
Java	I-Language
extension	O
introduces	O
three	O
new	O
language	O
constructs	O
:	O
</s>
<s>
Libraries	O
are	O
emerging	O
(	O
such	O
as	O
the	O
Java	B-Language
concurrency	O
library	O
JSR-166	O
)	O
that	O
provide	O
higher-level	O
concurrency	O
semantics	O
.	O
</s>
<s>
The	O
Join	B-Language
Java	I-Language
language	O
can	O
express	O
virtually	O
all	O
published	O
concurrency	O
patterns	O
without	O
explicit	O
recourse	O
to	O
low-level	O
monitor	O
calls	O
.	O
</s>
<s>
In	O
general	O
,	O
Join	B-Language
Java	I-Language
programs	O
are	O
more	O
concise	O
than	O
their	O
Java	B-Language
equivalents	O
.	O
</s>
<s>
The	O
overhead	O
introduced	O
in	O
Join	B-Language
Java	I-Language
by	O
the	O
higher-level	O
expressions	O
derived	O
from	O
the	O
Join	O
calculus	O
is	O
manageable	O
.	O
</s>
<s>
The	O
synchronization	O
expressions	O
associated	O
with	O
monitors	O
(	O
wait	O
and	O
notify	O
)	O
which	O
are	O
normally	O
located	O
in	O
the	O
body	O
of	O
methods	O
can	O
be	O
replaced	O
by	O
Join	B-Language
Java	I-Language
expressions	O
(	O
the	O
Join	O
methods	O
)	O
which	O
form	O
part	O
of	O
the	O
method	O
signature	O
.	O
</s>
<s>
Polyphonic	B-Language
C	I-Language
sharp	I-Language
is	O
the	O
closest	O
related	O
language	O
.	O
</s>
<s>
Cω	B-Language
the	O
successor	O
of	O
Polyphonic	B-Language
C	I-Language
sharp	I-Language
.	O
</s>
<s>
Hardware	O
Join	B-Language
Java	I-Language
language	O
further	O
extended	O
Join	B-Language
Java	I-Language
to	O
implement	O
Hardware	O
semantics	O
.	O
</s>
<s>
This	O
language	O
extended	O
the	O
semantics	O
of	O
Join	B-Language
Java	I-Language
to	O
FPGA	B-Architecture
applications	O
.	O
</s>
