<s>
In	O
computer	B-General_Concept
science	I-General_Concept
,	O
a	O
join	B-Application
point	I-Application
is	O
a	O
point	O
in	O
the	O
control	O
flow	O
of	O
a	O
program	B-Application
where	O
the	O
control	O
flow	O
can	O
arrive	O
via	O
two	O
different	O
paths	O
.	O
</s>
<s>
In	O
particular	O
,	O
it	O
's	O
a	O
basic	B-Application
block	I-Application
that	O
has	O
more	O
than	O
one	O
predecessor	O
.	O
</s>
<s>
In	O
aspect-oriented	B-Architecture
programming	I-Architecture
a	O
set	O
of	O
join	B-Application
points	I-Application
is	O
called	O
a	O
pointcut	B-Application
.	O
</s>
<s>
A	O
join	B-Application
point	I-Application
is	O
a	O
specification	O
of	O
when	O
,	O
in	O
the	O
corresponding	O
main	O
program	B-Application
,	O
the	O
aspect	B-Application
code	O
should	O
be	O
executed	O
.	O
</s>
<s>
The	O
join	B-Application
point	I-Application
is	O
a	O
point	O
of	O
execution	O
in	O
the	O
base	O
code	O
where	O
the	O
advice	B-Application
specified	O
in	O
a	O
corresponding	O
pointcut	B-Application
is	O
applied	O
.	O
</s>
