how can the validation be done for a text field in java (java)

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Time: 14:31 - Apr 25, 2007 Asked by: deepthiyalamanchi Status: Answered Points: 25

how can the validation be done for a text field in java

i want to know the code for validating a text field in java. for example if I have to enter numbers in the text field, an error must appear if i enter the characters in that text field

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how about parsing it as int, if it fails u know its not numeric
eg

try {
num = Integer.parseInt ( txtbox.getText());
} catch (NumberFormatException E) {
// value entered in txtbox is not numeric
}

Expert:	nidhi
Date:	Apr 25, 2007
Time:	15:33

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deepthiyalamanchi, please close this question and distribute the points.
If you didn't get a solution to your problem or you found it yourself, please leave a comment here to let the experts know.
Thanks,
Quomon Admin

Expert:	admin
Date:	Jul 02, 2007
Time:	09:46

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The question has been closed.

The Quomon Admin Team

Expert:	admin
Date:	Aug 17, 2007
Time:	11:49

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