Are empty fields in form of JSP null or “”?

Question

When a form is passed in to a servlet are empty fields \"\" or null? So for example in a form where you have First name as a field and last name as a field
Dean

Answer 1

I think it's up to the browser, but in most cases it will be null. You should still allow for both cases.

Edit:

As noted in the comments, in most cases it will be the empty string.