how to make rest service in spring mvc?

I am trying to make simple rest service which is used by everybody example it will consume by mobile developer.so I need to send static data to every one .I am trying to send static this data .

{
name:"abcd"
} 

in other word if some one hit my system like this http://ift.tt/1EjpTOT .then user get above json.

I follow this like to make http://ift.tt/1lNSJgc

I follow this step

• download these jar files(-- jackson-annotations-x.x.x.jar -- jackson-core-x.x.x.jar -- jackson-databind-x.x.x.jar) and include in lib folder.

here is my code web.xml

<web-app id="WebApp_ID" version="2.4"
    xmlns="http://ift.tt/qzwahU" 
    xmlns:xsi="http://ift.tt/ra1lAU"
    xsi:schemaLocation="http://ift.tt/qzwahU 
    http://ift.tt/16hRdKA">

    <display-name>Spring MVC Application</display-name>

   <servlet>
      <servlet-name>HelloWeb</servlet-name>
      <servlet-class>
         org.springframework.web.servlet.DispatcherServlet
      </servlet-class>
   </servlet>

   <servlet-mapping>
      <servlet-name>HelloWeb</servlet-name>
      <url-pattern>/</url-pattern>
   </servlet-mapping>

</web-app>

hello-servelts.xml

<beans xmlns="http://ift.tt/GArMu6"
   xmlns:context="http://ift.tt/GArMu7"
   xmlns:xsi="http://ift.tt/ra1lAU"
   xsi:schemaLocation="
   http://ift.tt/GArMu6     
   http://ift.tt/QEDs1e

   http://ift.tt/GArMu7 
   http://ift.tt/QEDs1k">

   <context:component-scan base-package="com.tutorialspoint" />

   <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
      <property name="prefix" value="/WEB-INF/jsp/" />
      <property name="suffix" value=".jsp" />
   </bean>

</beans>

controller.js

package com.tutorialspoint;

import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
@RequestMapping("/hello")
public class HelloController{

    @RequestMapping( method = RequestMethod.GET,headers="Accept=application/json")
   public String printHello(ModelMap model) {

      return "abcd";
   }

}