CalendarList: list

import com.google.api.services.calendar.Calendar;
import com.google.api.services.calendar.model.CalendarList;
import com.google.api.services.calendar.model.CalendarListEntry;

// ...

// Initialize Calendar service with valid OAuth credentials
Calendar service = new Calendar.Builder(httpTransport, jsonFactory, credentials)
    .setApplicationName("applicationName").build();

// Iterate through entries in calendar list
String pageToken = null;
do {
  CalendarList calendarList = service.calendarList().list().setPageToken(pageToken).execute();
  List<CalendarListEntry> items = calendarList.getItems();

  for (CalendarListEntry calendarListEntry : items) {
    System.out.println(calendarListEntry.getSummary());
  }
  pageToken = calendarList.getNextPageToken();
} while (pageToken != null);

page_token = None
while True:
  calendar_list = service.calendarList().list(pageToken=page_token).execute()
  for calendar_list_entry in calendar_list['items']:
    print calendar_list_entry['summary']
  page_token = calendar_list.get('nextPageToken')
  if not page_token:
    break

$calendarList = $service->calendarList->listCalendarList();

while(true) {
  foreach ($calendarList->getItems() as $calendarListEntry) {
    echo $calendarListEntry->getSummary();
  }
  $pageToken = $calendarList->getNextPageToken();
  if ($pageToken) {
    $optParams = array('pageToken' => $pageToken);
    $calendarList = $service->calendarList->listCalendarList($optParams);
  } else {
    break;
  }
}

page_token = nil
begin
  result = client.list_calendar_lists(page_token: page_token)
  result.items.each do |e|
    print e.summary + "\n"
  end
  if result.next_page_token != page_token
    page_token = result.next_page_token
  else
    page_token = nil
  end
end while !page_token.nil?