🚀 go-pugleaf

Ivan Trotter <ivan@admiraluno.com> wrote:
> Hi

> I have this source:
> public class MyObject{
>    public void SomeMethod(Object anObject);
>           ....
>           anObject=null;
>    }



> When I call this method, the anObject in params pass referenced, this means
> that I can access the content of anObject in SomeMethod, after that I try to
> change the reference:  anObject = null,  and only changes in the method, but
> when steps over the method  the reference become the same just before the
> method call.

> How can I assign null to the reference without returning some value in the
> method?

You can't.  Java is pass by reference and you can't change the original
object that the method recieved.  You can, however, change member fields
on that object.  

Create a holder object, stored anObject in a field on the holder, then pass
in the holder object.

-- 
Joi Ellis (TeamB)               http://www.teamb.com/
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