difference between "method" and "operation"

[Giulio]

I'm studying Craig Larman's "Applying uml and Patterns" (third ed.)
reading at the book it seems (16.6) that Operations and Methods in a
Class diagram are something different but it's not explained what's the
difference.

I always thought they were the same thing.
Do someone knows what's the difference?

thanx alot
Giulio

ps. I'm sorry if this question is not in the right newsgroup, I didn't
know any better one.

[Michael G]

Re: difference between "method&qu ot; and "operation "


"Giulio" <frank.zappalEV A@email.it.inva lid> wrote in message
news:dg1mfp$p3r $1@domitilla.ai oe.org...[color=blue]
> I'm studying Craig Larman's "Applying uml and Patterns" (third ed.)
> reading at the book it seems (16.6) that Operations and Methods in a Class
> diagram are something different but it's not explained what's the
> difference.
>
> I always thought they were the same thing.
> Do someone knows what's the difference?
>
> thanx alot
> Giulio[/color]

I don't have the third edition but am looking at page 186-7 of the
second edition. In this section he states how the *UML defines* operations
and methods. He is not referring to Java or an other programming language.
So in the UML an *operation* is defined as an abstraction (much like an
interface in Java) and a *method* is defined as the implementation of the
abstraction.


operation in the UML
public void setSomething(So mething s);

method in the UML
public void setSomething(So mething s)
{
this.something = s;
}


If you aren't satisfied with this response or from this group. You might try
comp.object.

Mike



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[Giulio]

Re: difference between &quot;method&qu ot; and &quot;operation &quot;

thanx it's ok

[Jubril]

Re: difference between &quot;method&qu ot; and &quot;operation &quot;

an operation in a programming language can mean the interaction of many
Methods. To calculate the roots of a Quadratic equation which is an
operation, one might need to call several methods like


calculate Square root()
calculate firstroot()
calculate second root()


"Giulio" <frank.zappalEV A@email.it.inva lid> wrote in message
news:dg246q$cte $1@domitilla.ai oe.org...[color=blue]
> thanx it's ok[/color]