Spring MVC <form:checkbox> (static)

package com.test.domain;
public class Customer{
    private String[] favLanguages;
    public String[] getFavLanguages() {
        return favLanguages;
    }
    public void setFavLanguages(String[] favLanguages) {
        this.favLanguages = favLanguages;
    }
}

@Controller
public class MainController {
    @RequestMapping(value="/custform", method=RequestMethod.GET)
    public String custPost(Model model) {
        Customer cust = new Customer();
        cust.setFavLanguages(new String []{"Java","C++"});  // set default value
        model.addAttribute("custData",cust);
        return "CustomerForm";
    }

    @RequestMapping(value="/custform", method=RequestMethod.POST)
    public String custResult(@ModelAttribute("custData")Customer cust, Model model) {
        model.addAttribute("custData", cust);
        return "CustomerResult";
    }
}

/WEB-INF/jsp/CustomerForm.jsp:

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<html>
<head></head>
<body>
    <form:form method="POST" modelAttribute="custData">
    <table>
        <tr>
        <td>Favourite Languages :</td>
        <td>
            <form:checkbox path="favLanguages" value="Java" />Java
            <br/>
            <form:checkbox path="favLanguages" value="C++" />C++
            <br/>
            <form:checkbox path="favLanguages" value=".Net" />.Net
            <br/>
        </td>
        </tr>
        <tr>
        <td colspan="3"><input type="submit" /></td>
        </tr>
    </table>
    </form:form>
</body>
</html>

/WEB-INF/jsp/CustomerResult.jsp:

<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form"%>
<html>
<head></head>
<body>
    Favorite languages:
    <br/>
    <c:forEach items="${custData.favLanguages}" var="language">
        ${language}
        <br/>
    </c:forEach>
</body>
</html>