code: public <T> List<T> marshallIntoObjects(Class<T> clazz, List<Map<String, AttributeValue>> itemAttributes) {
          List<T> result = new ArrayList<T>();
          for (Map<String, AttributeValue> item : itemAttributes) {
              result.add(marshallIntoObject(clazz, item));
          }
          return result;
      }
docs: Marshalls the list of item attributes into objects of type clazz
  
  @see DynamoDBMapper#marshallIntoObject(Class, Map)