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JList null pointer exception

Scott A Burch
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Joined: Jan 04, 2011
Posts: 50
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: 50
Figured it out. I had created a local variable listModel and was hiding the list field.

I changed the line



to



and it works. And the delete button works now too. Thanks!
 
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