Getting Started with AJAX using Java (contd.)

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee"xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"id="WebApp_ID" version="2.5">
<display-name>Getting Started with AJAX using JAVA</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>helloWorld</servlet-name>
<servlet-class>com.vaani.sample.ajax.HelloWorld</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>helloWorld</servlet-name>
<url-pattern>/helloWorld.do</url-pattern>
</servlet-mapping>
</web-app>

Output of Hello World AJAX
Before AJAX call:

After AJAX call:

I have used text response to demonstrate AJAX.