code: public PhotoList<Photo> getContactsPublicPhotos(String userId, int count, boolean justFriends, boolean singlePhoto, boolean includeSelf)
              throws FlickrException {
          return getContactsPublicPhotos(userId, Extras.MIN_EXTRAS, count, justFriends, singlePhoto, includeSelf);
      }
docs: Get public photos from the user's contacts.
  
  This method does not require authentication.
  
  @see com.flickr4java.flickr.photos.Extras
  @param userId
  The user ID
  @param count
  The number of photos to return
  @param justFriends
  True to include friends
  @param singlePhoto
  True to get a single photo
  @param includeSelf
  True to include self
  @return A collection of Photo objects
  @throws FlickrException