[Bluej-discuss] Hello all,

[Davin McCall]

Hi Todd,

The first problem (with the ListIterator) is a known problem:
http://bugs.bluej.org/show_bug.cgi?id=480

It occurs whenever an object whose type is normally inaccessible is 
placed on the object bench. In your case the ListIterator object's type 
is actually a private inner class of LinkedList.

Davin


Todd Whittaker wrote:
> Hello all,
>  
> I was putting together something for my students, and was walking 
> through some manual testing of a LinkedList implementation inside 
> BlueJ. I created an instance of the LinkedList object (type parameter 
> provided is irrelevant), and put it on the object bench.  This worked 
> fine, and I was able to use it to call the add method a few times. I 
> then inspected it and manually walked through the links to verify it 
> was how I expected.
>  
> I then asked for a listIterator and put it on the object bench, and it 
> _looks_ like it creates an object, but then when I start trying to use 
> the iterator object BlueJ stops working fully. I'll execute a method 
> on the iterator and it just looks like it doesn't do anything. If I 
> try and call a method that expects a parameter, it then says something 
> about " ) expected."
>
> In addition, when I try to call methods on the original list now it 
> doesn't work. The menu works, and dialogues pop up prompting for 
> parameters, but the methods don't display return values, and again the 
> " ) expected" error occurs when trying to pass parameters.
>  
> Another related problem seems to be that when creating objects in 
> which a type parameter is required, just ignoring the field and 
> clicking on the "Ok" button causes BlueJ to lock up.
>  
> Any suggestions?  This is under Windows XP SP2, BlueJ 2.1.2, JDK 
> 1.5.0_05.  A quick check of BugZilla doesn't show anything related.
>  
>  
>  
> -- 
> Todd A. Whittaker
> Program Chair, Information Technology
> Franklin University
> 614-744-3067
> whittakt at franklin.edu <mailto:whittakt at franklin.edu>
> ------------------------------------------------------------------------
>
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