JAVASCRIPT

map json string to java object

ObjectMapper objectMapper = new ObjectMapper();
String json = "{ "color" : "Black", "type" : "BMW" }";
Car car = objectMapper.readValue(json, Car.class);	

java json string to map

package com.mkyong;

import com.fasterxml.jackson.databind.ObjectMapper;

import java.io.IOException;
import java.util.Map;

public class JacksonMapExample1 {

    public static void main(String[] args) {

        ObjectMapper mapper = new ObjectMapper();
        String json = "{"name":"mkyong", "age":"37"}";

        try {

            // convert JSON string to Map
            Map<String, String> map = mapper.readValue(json, Map.class);

			// it works
            //Map<String, String> map = mapper.readValue(json, new TypeReference<Map<String, String>>() {});

            System.out.println(map);

        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}