Hello,
I have a form with several checkboxes. Now, the action of this form is a servet, in
which I
need to see if the checkboxes have been selected. Until now, I have using the
following to
retrieve values from a form:
String opt3 = req.getParameterValues("opt3")[0];
The html for a checkbox is:
<input type="checkbox" name="opt1" value="ON">Add a Complaint<br>
If I retrieve opt1 by
String opt1 = req.getParameterValues("opt1")[0];
I get a nullpointer exception.
Any way by which I could check if a checkbox is selected and retrieve the value?
Thanks,
Jeetandra
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