public static void assignByBirthday(){
		Vector birthVec = vectorByBirthday(Students); 
		
		int count = 0;
		Table t = (Table) DiningRoom.get(count);
		while(!t.filled() && birthVec.size() > 0){
			String stuID = ((Student) (birthVec.get(0))).getID(); 
			t.addID(stuID);
			birthVec.remove(0);
		}
		count++;
	}