code: public Entry getEntryByTitle(String title) {
          for (Entry entry : entries) {
              if (entry.getTitle().equalsIgnoreCase(title)) {
                  return entry;
              }
          }
          return null;
      }
docs: Retrieves the entry with the given title.
  
  @param title
  the title of the entry which should be retrieved
  @return an entry with matching title