java ObjectMapper

import org.codehaus.jackson.map.ObjectMapper;

public Map<String, Object> parseJson(String json){

Map<String, Object> jsonMap = new HashMap<>();

ObjectMapper mapper =new ObjectMapper();

try {

jsonMap = mapper.readValue(json, Map.class);

Set<String> set =jsonMap.keySet();

for(Stringkey:set){

System.out.println("key:"+key+" value:"+jsonMap.get(key));

}

    } catch (Exceptione) {

e.printStackTrace();

    }

return jsonMap;

}