validation from JOption

[keko2005]

hey guys im prompting a user for information. when the user gets up to entering account num and age and amount, i wanna check on the spot if they have entered a number, not letters or special chars. if they enter anything but a number i want to keep prompting them. so, if the prompt ENTER AGE comes up and user enters the chars op, i wanna prompt them again ENTER AGE until they enter a correct number format.

thanks

[Waylander]

I don't think you can put validation code into the actual option pane.

Last time I needed this I just stuck the prompt in a do while loop with a validation method that returns a boolean as the condition.

Waylander.

[agent_x91]

I think Waylander's solution is likely to be the only work which will work properly. Just put it in a while loop to check the number format, and make it keep asking you for the number again until a valid number format is provided by the user.