Java Converting Map to Object

class A {
 
    public static Object mapToObject (Map<String, Object> map, Class<?> beanClass) throws Exception {
        if (map == null) {
            return null;
        }
 
        ObjectMapper objectMapper = new ObjectMapper();
        Object obj = objectMapper.convertValue(map, beanClass);
 
        return obj;
    }
 
    public static Map<?, ?> objectToMap (Object obj) {
        if (obj == null) {
            return null;
        }
 
        ObjectMapper objectMapper = new ObjectMapper();
        Map<?, ?> mappedObject = objectMapper.convertValue(obj, Map.class);
 
        return mappedObject;
    }
}