convert json to object

var mystr = '{ "hello":"world" }' // NB: Has enclosing ""
var myobj = JSON.parse(mystr);$person = new stdClass();
$person->firstName = "Taylor";
$person->age = 32;

//Convert Single-Dimention Object to array
$personArray = (array) $person;

//Convert Multi-Dimentional Object to Array
$personArray = objectToArray($person);
function objectToArray ($object) {
    if(!is_object($object) && !is_array($object)){
    	return $object;
    }
    return array_map('objectToArray', (array) $object);
}var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person); var jsonPerson = '{"first_name":"billy", "age":23}';
var personObject = JSON.parse(jsonPerson); //parse json string into JS objectUse the JavaScript function JSON.parse() to convert text into a JavaScript object:
var obj = JSON.parse('{ "name":"John", "age":30, "city":"New York"}');Jackson Data-bind depdendency that take care of 
Converting between 
JSON to Java Object 
and 
Java Object to JSON

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.12.0</version>
</dependency>