Just send it to my e-mail address and I’ll try to help: geert...@apache.org

Make sure the whole project is in a ZIP file, but before you create the ZIP
file, please delete the “build” folder.

Gj

On Tue, 10 Mar 2020 at 14:02, Judi Rastall <j...@rastall.com> wrote:

> Netbeans gives a warning to not try and change the code it generates and
> says that it will change it back the next time I run or build the file.
> Someone did suggest loading my project into github. I have heard of github
> but have no idea of how to use it or load stuff into it. I guess this
> mailing group won't allow attachments?
>
>
> Judi
>
>
>
> On 10/03/2020 12:53, Geertjan Wielenga wrote:
>
>
> We’d love to help you and, yes, you can indeed change code that NetBeans
> generates.
>
> Can you help us to help you — put your code somewhere so that we can look
> at it?
>
> Gj
>
> On Tue, 10 Mar 2020 at 13:48, Judi Rastall <j...@rastall.com> wrote:
>
>> I have been doing some digging around and the first line where an image
>> is called is the line identified as giving the error. However, this is part
>> of the code generated by Netbeans when I created the panel using the design
>> feature in Netbeans. In other words, I cannot alter it! Netbeans knows best!
>>
>> I thought that using the built-in design tools would be quicker and
>> easier but that approach has been my undoing. So yes, I do blame Netbeans
>> for my difficulties.
>>
>> I have made a start on rewriting everything from scratch. This is not
>> helped by the many different ways in which different folk suggest the calls
>> should be done. Neil's suggestion of Googling loading icons was helpful but
>> did throw up several discussion threads where others were having similar
>> difficulties. It seems that every tutorial I have found gives a different
>> construction. The only thing that is keeping me going on trying to learn
>> Java at all is the goal of "write & compile once, run anywhere".
>>
>> Judi
>>
>> On 09/03/2020 18:14, Neil C Smith wrote:
>>
>> On Mon, 9 Mar 2020 at 17:58, Judi Rastall <j...@rastall.com> 
>> <j...@rastall.com> wrote:
>>
>> Trying to run from the CMD prompt, I see this error message:
>> Exception in thread "main" java.lang.NullPointerException
>>         at javax.swing.ImageIcon.<init>(Unknown Source)
>>
>> ...
>>
>> Why will a program that runs perfectly well within the IDE fail to run when 
>> compiles?
>>
>> Quite easily!  My guess is the way you're passing the icon location
>> into ImageIcon. You may want to Google on loading icons bundling in
>> JARs - you'll find lots of info.  Loading resources from inside a JAR
>> is (can be) different to loading from the filesystem.
>>
>> Best wishes,
>>
>> Neil
>>
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