code: public static <T> T fromJson(final String json, final Class<T> clazz) {
          return fromJson(parse(json), clazz);
      }
docs: Convert a JsonNode to a Java value
  
  @param json  Json value to convert.
  @param clazz Expected Java value type.
  @param <T>   type of return object
  @return casted value of given json object