My requirement is to create a leave schedule plan in the form of a Gantt chart.. So can we give 2 time intervals for a particular task.. For example, my code snippet is as follows: public GanttCategoryDataset createDataset() { final TaskSeries s1 = new TaskSeries("Leave Plan "); s1.add(new Task("manoj(23354)", new SimpleTimePeriod(date(1, Calendar.JULY, 2007), date(31, Calendar.AUGUST, 2007)))); s1.add(new Task("subash (24994)", new SimpleTimePeriod(date(1, ...