How to Read checkbox value in JSP




Hey guys in this article, you will learn about creating the checkbox and reading the checkbox values in JSP with full code example.

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Overview


To create a checkbox in HTML we will use <input type="checkbox"> tag. It contains name attribute.

<input type="checkbox" name="checkboxName" value="Sales" />Sales

To read the checkbox value in JSP, we will use the request object

<%= request.getParameterValues("checkboxName") %>

getParameter() takes the name of the checkbox and it return array.

Complete Example


Follow the below steps to understand the complete example

Create a Project


You can check the following post to create a new Dynamic Web Project

Create a HTML form


Create EmployeeForm.html file under WebContent and add the following content

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
          "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
	<head>
		<title>Employee Form</title>
	</head>

	<body>
		
		<form action="employee-details.jsp">
			
			First Name:
			<input type = "text" name = "firstName" />
			<br/><br/>
			
			Last Name:
			<input type = "text" name = "lastName" />
			<br/><br/>
			Select country:
			<select name = "country">
				<option>India</option>
				<option>Australia</option>
				<option>Germany</option>
				<option>Spain</option>
				<option>Canada</option>
			</select>
			<br/><br/>
			Select Gender:
			<input type="radio" name="gender" value="Male" />Male
			<input type="radio" name="gender" value="Female" />Female
			<br/><br/>
			Select Department:
			<input type="checkbox" name = "departments" value="Sales" />Sales
			<input type="checkbox" name = "departments" value="Marketing" />Marketing
			<input type="checkbox" name = "departments" value="IT" />IT
			<input type="checkbox" name = "departments" value="Support" />Support
			<br/><br/>
			<button type="submit">Submit</button>
			
		</form>
		
	</body>

</html>

Create a JSP file


Create employee-details.jsp file under WebContent and add the following content

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
	
	<h1>Employee details</h1>
	<p>First Name: ${param.firstName}</p>
	<p>Last Name: ${param.lastName}</p>
	<p>Country: ${param.country}</p>
	<p>Gender: ${param.gender}</p>
	<p><b>Departments:</b></p>
	<% 
		String[] values = request.getParameterValues("departments");
		for(String department : values) {
			out.println("<P>"+department+"</p>");
		}
	%>
</body>
</html>

Run the file


Right click on the File, choose Run As, choose Run on Server. It will open in a default web browser, you will see the following content
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About the author

Bushan Sirgur

Hey guys, I am Bushan Sirgur from Banglore, India. Currently, I am working as an Associate project in an IT company.

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