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 > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@netbeans.apache.org > > For additional commands, e-mail: users-h...@netbeans.apache.org > > For further information about the NetBeans mailing lists, > visit:https://cwiki.apache.org/confluence/display/NETBEANS/Mailing+lists > > >