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Null Pointer Exception in a GUI application

 
Haani Naz
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Hi Guys,

i would like to extend this question by asking something about my code.

i'm basically attempting to use extended JFrame (to understand how it differs) but i've run into a problem.

i decided to post the code so it makes more sense:





followed by:




This fails to work - i get run time errors. Can somebody please tell me why..? thanks.
 
Campbell Ritchie
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Damn! I split the thread incorrectly. Please keep reading here.
 
I agree. Here's the link: http://aspose.com/file-tools
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