<s>
jGRASP	B-Language
is	O
a	O
development	B-Application
environment	I-Application
that	O
includes	O
the	O
automatic	O
creation	O
of	O
software	B-Application
visualizations	I-Application
.	O
</s>
<s>
It	O
produces	O
static	O
visualizations	O
of	O
source	O
code	O
structure	O
and	O
visualizations	O
of	O
data	B-General_Concept
structures	I-General_Concept
at	O
runtime	O
.	O
</s>
<s>
The	O
runtime	O
data	B-General_Concept
structure	I-General_Concept
visualizations	O
are	O
also	O
available	O
as	O
plugins	O
for	O
IntelliJ	O
IDEA	O
,	O
Android	O
Studio	O
,	O
and	O
Eclipse	O
.	O
</s>
<s>
jGRASP	B-Language
is	O
implemented	O
in	O
Java	B-Language
,	O
and	O
runs	O
on	O
all	O
platforms	O
with	O
a	O
Java	B-Language
Virtual	I-Language
Machine	I-Language
(	O
Java	B-Language
version	O
1.8	O
or	O
higher	O
)	O
.	O
</s>
<s>
GRASP	O
(	O
Linux	B-Application
,	O
UNIX	O
)	O
and	O
pcGRASP	O
(	O
Windows	B-Application
)	O
are	O
written	O
in	O
C/C	O
++	O
,	O
whereas	O
jGRASP	B-Language
is	O
written	O
in	O
Java	B-Language
(	O
the	O
"	O
j	O
"	O
in	O
jGRASP	B-Language
means	O
it	O
runs	O
on	O
the	O
JVM	B-Language
)	O
.	O
</s>
<s>
The	O
jGRASP	B-Language
web	O
site	O
offers	O
downloads	O
for	O
Windows	B-Application
,	O
Mac	B-Application
OS	I-Application
,	O
and	O
as	O
a	O
generic	O
ZIP	B-General_Concept
file	I-General_Concept
suitable	O
for	O
Linux	B-Application
and	O
other	O
systems	O
.	O
</s>
<s>
For	O
languages	O
other	O
than	O
Java	B-Language
,	O
jGRASP	B-Language
is	O
a	O
source	B-Application
code	I-Application
editor	I-Application
.	O
</s>
<s>
The	O
Control	B-Application
Structure	I-Application
Diagram	I-Application
(	O
CSD	O
)	O
is	O
a	O
control	O
flow	O
diagram	O
that	O
fits	O
into	O
the	O
space	O
normally	O
taken	O
by	O
indentation	O
in	O
source	O
code	O
.	O
</s>
<s>
jGRASP	B-Language
produces	O
CSDs	O
for	O
Java	B-Language
,	O
C	B-Language
,	O
C++	B-Language
,	O
Objective-C	B-Language
,	O
Ada	B-Language
,	O
and	O
VHDL	B-Language
.	O
</s>
<s>
The	O
editing	O
window	O
provides	O
CSD-based	O
folding	B-Application
and	O
a	O
"	O
context	O
hint	O
"	O
feature	O
that	O
displays	O
the	O
first	O
line	O
of	O
a	O
code	O
structure	O
that	O
is	O
off-screen	O
when	O
the	O
mouse	O
is	O
hovered	O
over	O
its	O
CSD	O
structure	O
.	O
</s>
<s>
The	O
Java	B-Language
object	O
viewers	O
in	O
jGRASP	B-Language
provide	O
interface-based	O
,	O
structural	O
,	O
and	O
other	O
views	O
of	O
data	B-General_Concept
structures	I-General_Concept
and	O
other	O
objects	O
and	O
primitives	O
during	O
debugging	O
and	O
workbench	O
operations	O
.	O
</s>
<s>
For	O
example	O
,	O
a	O
content-based	O
view	O
shows	O
ArrayList	O
and	O
LinkedList	B-Data_Structure
in	O
an	O
identical	O
way	O
,	O
as	O
a	O
list	O
of	O
elements	O
.	O
</s>
<s>
Structural	O
views	O
show	O
the	O
internal	O
structure	O
of	O
trees	B-Application
,	O
linked	B-Data_Structure
lists	I-Data_Structure
,	O
hash	B-Algorithm
tables	I-Algorithm
,	O
etc	O
.	O
</s>
<s>
Structural	O
views	O
of	O
linked	O
data	B-General_Concept
structures	I-General_Concept
display	O
local	O
variable	O
nodes	O
and	O
their	O
relation	O
to	O
the	O
main	O
structure	O
.	O
</s>
<s>
The	O
result	O
is	O
animated	O
when	O
changes	O
occur	O
,	O
as	O
when	O
a	O
node	O
is	O
added	O
to	O
a	O
linked	B-Data_Structure
list	I-Data_Structure
.	O
</s>
<s>
Common	O
data	B-General_Concept
structures	I-General_Concept
are	O
automatically	O
identified	O
and	O
displayed	O
structurally	O
.	O
</s>
<s>
jGRASP	B-Language
generates	O
CPGs	O
for	O
both	O
Java	B-Language
and	O
Ada	B-Language
.	O
</s>
<s>
jGRASP	B-Language
also	O
generates	O
UML	B-Language
diagrams	I-Language
for	O
Java	B-Language
,	O
with	O
interactive	O
dependency	O
information	O
.	O
</s>
<s>
jGRASP	B-Language
was	O
created	O
by	O
James	O
Cross	O
and	O
Larry	O
Barowski	O
at	O
the	O
Department	O
of	O
Computer	O
Science	O
and	O
Software	O
Engineering	O
in	O
the	O
Samuel	O
Ginn	O
College	O
of	O
Engineering	O
at	O
Auburn	O
University	O
.	O
</s>
<s>
The	O
development	O
of	O
jGRASP	B-Language
has	O
been	O
supported	O
by	O
a	O
research	O
grant	O
from	O
the	O
National	O
Science	O
Foundation	O
.	O
</s>
