public boolean isOverLapped(SchoolHour schoolHour){
		if(this.weekDay==schoolHour.getWeekDay()){
			if(schoolHour.getStartHour()>=this.startHour&&
					schoolHour.getStartHour()<=this.endHour)
				return true;
			if(schoolHour.getEndHour()>=this.startHour&&
					schoolHour.getStartHour()<=this.endHour)
				return true;
		}
		return false;
			
	}