<s>
Story-driven	B-Application
modeling	I-Application
is	O
an	O
object-oriented	B-Application
modeling	I-Application
technique	O
.	O
</s>
<s>
Other	O
forms	O
of	O
object-oriented	B-Application
modeling	I-Application
focus	O
on	O
class	O
diagrams	O
.	O
</s>
<s>
Story-driven	B-Application
modeling	I-Application
proposes	O
the	O
following	O
software	O
development	O
approach	O
:	O
</s>
<s>
GUI	B-Application
mock-ups	O
:	O
To	O
illustrate	O
the	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
for	O
the	O
desired	O
feature	O
,	O
you	O
may	O
add	O
some	O
wireframe	O
models	O
or	O
GUI	B-Application
mock-ups	O
to	O
your	O
scenario	O
:	O
</s>
<s>
Using	O
a	O
UML	B-Language
tool	O
,	O
you	O
may	O
generate	O
a	O
first	O
implementation	O
from	O
this	O
class	O
diagram	O
.	O
</s>
<s>
To	O
facilitate	O
it	O
,	O
you	O
should	O
first	O
outline	O
the	O
behavior	O
in	O
pseudocode	B-Language
notation	O
.	O
</s>
<s>
Behavior	O
implementation	O
:	O
Once	O
you	O
have	O
refined	O
your	O
algorithm	O
pseudocode	B-Language
down	O
to	O
the	O
level	O
of	O
operations	O
on	O
object	O
structures	O
it	O
is	O
straightforward	O
to	O
derive	O
source	O
code	O
that	O
executes	O
the	O
same	O
operations	O
on	O
your	O
object	O
model	O
implementation	O
.	O
</s>
<s>
Testing	O
:	O
Finally	O
,	O
the	O
scenarios	O
may	O
be	O
used	O
to	O
derive	O
automatic	O
JUnit	B-Language
tests	O
.	O
</s>
<s>
The	O
pseudocode	B-Language
for	O
a	O
test	O
for	O
our	O
example	O
might	O
look	O
like	O
:	O
</s>
<s>
classes	O
)	O
and	O
general	O
rules	O
(	O
pseudocode	B-Language
)	O
.	O
</s>
<s>
Similarly	O
,	O
normal	O
people	O
have	O
problems	O
to	O
understand	O
pseudocode	B-Language
or	O
to	O
judge	O
,	O
whether	O
their	O
needs	O
are	O
properly	O
addressed	O
or	O
not	O
.	O
</s>
