code: public <T> boolean addAll(List<T> listToAddTo, 
                                Collection<? extends T> collectionToAdd) {
          return listToAddTo.addAll(collectionToAdd);
      }
docs: Add all items of the given collection to the given list.
  
  @param <T> The component type of the list
  
  @param listToAddTo The list to add to
  @param collectionToAdd The elements to add to the list
  
  @return <code>true</code> if all items were added,
  <code>false</code> otherwise
  
  @see List#addAll(Collection)