passing JSON data to a Spring MVC controller

Add the following dependencies

<dependency>

        <groupId>org.codehaus.jackson</groupId>

        <artifactId>jackson-mapper-asl</artifactId>

        <version>1.9.7</version>

   </dependency>

   <dependency> 

        <groupId>org.codehaus.jackson</groupId>

        <artifactId>jackson-core-asl</artifactId>

        <version>1.9.7</version>

    </dependency>

add request as follows

$.ajax({ 

                url:urlName,

                type:"POST", 

                contentType: "application/json; charset=utf-8",

                data: jsonString, //Stringified Json Object

                async: false,    //Cross-domain requests and dataType: "jsonp" requests do not support synchronous operation

                cache: false,    //This will force requested pages not to be cached by the browser  

                processData:false, //To avoid making query String instead of JSON

                success: function(resposeJsonObject){

        }});

CONTROLLER SIDE

@RequestMapping(value = urlPattern , method = RequestMethod.POST)

   public @ResponseBody Person save(@RequestBody Person jsonString) {

     Person person=personService.savedata(jsonString);

    return person;

}

@RequestBody -Covert Json object to java

@ResponseBody-convert Java object to json