public void addWorkshopToSchedule(Workshop w){
		Workshop workshop = w;
		for(int i = 0; i < data.length; i++){
			if(data[i][0].equals(workshop.getTime())){
				if(day == 1 && workshop.getDate().equals(conference.getStartDate())){
					data[i][1] = w.getTitle();
				}else if(day == 2 && workshop.getDate().equals(conference.getEndDate())){
					data[i][1] = w.getTitle();
				}
			}
		}
	}