Spring MVC + jQuery | Code Factory

Reference Link : Link

package com.codeFactory.bean;public class Country {private int countryId;
private String countryName;
// Getters and setters.}
package com.codeFactory.controller;import java.util.ArrayList;
import java.util.List;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.codeFactory.bean.Country;
@Controller
public class Action {
List<Country> allCountryList = new ArrayList<Country>();public List<Country> getAllCountryList() {
return allCountryList;
}
public void setAllCountryList(List<Country> allCountryList) {
this.allCountryList = allCountryList;
}
@RequestMapping(value = "/getCountryList", method = RequestMethod.GET)
public @ResponseBody List<Country> getCountryList() {
Country country;for (int i = 1; i <= 5; i++) {
System.out.println(i);
country = new Country();
country.setCountryId(i);
country.setCountryName("country" + i);
allCountryList.add(country);
}
return allCountryList;
}
}
<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<script
src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
$(function(event) {$.getJSON('getCountryList', {}, function(allCountryList) {
var select = $('#countryId');
select.find('option').remove();
$.each(allCountryList, function() {
$('<option>').val(this.countryId).text(
this.countryName).appendTo(select);
});
});
});
});
</script>
</head>
<body>
<div class="form-group">
<label class="control-label col-sm-4" for="sel1">Select country:</label>
<div class="col-sm-8">
<select class="form-control" id="countryId" name="countryId">
</select>
</div>
</div>
</body>
</html>
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>SpringJquery</display-name>
<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>
<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/mvc
http: //www.springframework.org/schema/mvc/spring-mvc.xsd
http: //www.springframework.org/schema/beans
http: //www.springframework.org/schema/beans/spring-beans.xsd
http: //www.springframework.org/schema/context
http: //www.springframework.org/schema/context/spring-context.xsd
http: //www.springframework.org/schema/tx
http: //www.springframework.org/schema/tx/spring-tx.xsd">

<context:component-scan base-package="com.codeFactory.controller"></context:component-scan>
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/" />
<property name="suffix" value=".jsp" />
</bean>

<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.StringHttpMessageConverter"/>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
</mvc:message-converters>
</mvc:annotation-driven>
</beans>