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How to get checkbox value in servlet (get one or more checked values)



The checkbox () allows user to select either one or more choices.By default the checkbox is  false  (unchecked state). On user selection , it look like .To get checkbox value in servlet , call by its logical name.

 

How to get checkbox value in servletCheckbox declaration in UI side :
get the form data in servlet

How to get checkbox value in servlet For pre-checked checkbox, use the below code (Just add checked inside the <input> element).

<input type=”checkbox” name=”hobbies” value=”Singing”  checked>

We can declare more checkboxes with same logical name(hobbies).We consider it as, a checkbox having multiple values.

 

How to get checkbox value in servlet Code to get checkbox value in servlet :

Checkbox with single value :

String hobbise  = request.getParameterValues(“hobbies“) ;

Checkbox with multiple values :

String hobbise [] = request.getParameterValues(“hobbies“) ;

 

create a servletOn form submission , the checkbox value (value=”Singing”) will go to the servlet . But not the display text.

 

 

How to get checkbox values in servlet Example to get checkbox value in servlet :

How to get checkbox values in servlet  index.jsp :

How to get checkbox values in servlet CheckBoxDemoServlet.java

How to get checkbox values in servlet web.xml

Execution Result:
From the UI Select the desired checkboxes.
get the form data in servlet
On submit the form,the below screen will appear as a response page.
get the form data in servlet




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