// Get the AdGroupCriterionService.
AdGroupCriterionServiceInterface adGroupCriterionService =
adWordsServices.get(session, AdGroupCriterionServiceInterface.class);
// https://developers.google.com/adwords/api/docs/appendix/genders
Gender male = new Gender();
male.setId(10L);
BiddableAdGroupCriterion genderBiddableAdGroupCriterion = new BiddableAdGroupCriterion();
genderBiddableAdGroupCriterion.setAdGroupId(adGroupId);
genderBiddableAdGroupCriterion.setCriterion(male);
// https://developers.google.com/adwords/api/docs/appendix/ages