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can no one tell me how to solve this issue?

anyone any idea why it doesn't work? :/

here is the exception thrown:


Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at...

thanks for your post but i basically did that by setting the model to my vector.
it does work perfectly if i don't use a boolean type, but i want a checkbox next to every row of my table.

Can anyone tell my why my code isn't working as intended?
i want to create a table with a check box at the end for deleting several rows easily.
I'm working with Netbeans and it seems that the way...