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[JDT UI] Small bug in Content Assist [message #717282]

Fri, 19 August 2011 20:15

Romain Dervaux

Messages: 40
Registered: July 2009

Member

Hi all

I just noticed a problem with the Content Assist. (tested with Indigo)
Assume this class :

public class Test {

private void test () {
List<? extends Integer> liste = null;
}
}

if you type
liste.
under the decleration of the variable 'liste', the content assist will
appear.

It will propose the following methods :
add(null e)
add(int index, null e)
addAll(null c)
addAll(int index, null c)
set(int index, null element)

Sorry if the bug has already been discovered.
Please tell me if i should open a new bug in bugzilla.
Thanks

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Re: [JDT UI] Small bug in Content Assist [message #717687 is a reply to message #717282]

Mon, 22 August 2011 04:48

Satyam Kandula

Messages: 444
Registered: July 2009

Senior Member

Please file the bug. It is not assignment to null which is causing the problem, but it doesn't seem to like '? extends xxxx'.

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Re: [JDT UI] Small bug in Content Assist [message #717844 is a reply to message #717687]

Mon, 22 August 2011 13:55

Michael Pellaton

Messages: 289
Registered: July 2009

Senior Member

Hi

> List<? extends Integer>
Is this a java.lang.Integer?

If so, the declaration above makes no sense as Integer is a final class
and cannot be extended:

public final class Integer extends Number implements Comparable<Integer>

Could it be that this is the reason?

Michael

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Re: [JDT UI] Small bug in Content Assist [message #717923 is a reply to message #717844]

Mon, 22 August 2011 17:50

Romain Dervaux

Messages: 40
Registered: July 2009

Member

Yep, you're right.
I think the compiler should tag this as error, or at least a warning...

URL of the bug : https://bugs.eclipse.org/bugs/show_bug.cgi?id=172925

Le 22/08/2011 15:55, Michael Pellaton a écrit :
> Hi
>
>> List<? extends Integer>
> Is this a java.lang.Integer?
>
> If so, the declaration above makes no sense as Integer is a final class
> and cannot be extended:
>
> public final class Integer extends Number implements Comparable<Integer>
>
>
> Could it be that this is the reason?
>
> Michael

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