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you need to start a new thread that will do the long running job and exit the listener method as some as possible.

Can you explain what the program does when you execute it?


One problem I see is a long running loop in the actionListener method. This holds up any updates of the GUI until the method exits. ...

There are many ways for a program to "not work". Can you explain what the program does?

Please edit your post and wrap your code with


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