Calendar endDate = Calendar.getInstance();
endDate.add(Calendar.MONTH, 1);
campaign.setEndDate(endDate);
// Save the campaign.
CampaignSaveResult campaignSaveResult = campaignService.saveCampaign(campaign);
// Display the new campaign ID.
System.out.printf("Campaign with ID \"%s\" was created.%n", campaignSaveResult.getId());
}