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JList null pointer exception

Scott A Burch
Ranch Hand

Joined: Jan 04, 2011
Posts: 58
I am trying to get a button to open a file directory, retrieve some file names and add them as elements to a JLIst. The code opens the filechooser flawlessly, but the minute I click OK in the save dialog, I get a null pointer exception.

The problem comes with the button listener. I get null pointer exception at:

Please help me sort this out. Thanks!
Scott A Burch
Ranch Hand

Joined: Jan 04, 2011
Posts: 58
Figured it out. I had created a local variable listModel and was hiding the list field.

I changed the line


and it works. And the delete button works now too. Thanks!
I agree. Here's the link:
subject: JList null pointer exception
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