How to fetch sqltable from JFrame

i created a jframe with some employee details including add, delete edit buttons. When i try to connect it shows NullPointer Exception.
can anybody tell me how to fetch the table

i created a jframe with some employee details
including add, delete edit buttons. I see.
When i try to
connect it shows NullPointer Exception.Does it now.
can anybody tell me how to fetch the tableNo. We are not mind readers. We do not know why you are getting a NullPointerException. You'll need to resolve that one on your own.

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