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validating data in JTable Cell

 
Greenhorn
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I want the user to enter only integer values in a column of a JTable. If the user enters any other value, I should show error message and have the focus on the particular cell itself.
Any Idea how to implement this ?
 
Ranch Hand
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Hello.
From the Java Tutorial:
Using an editor to validate user entered text
From the API:
swing.JOptionPane
swing.InputVerifier
 
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