public List<ComboBoxInterface> getComboBoxInterfaceList()
	{
		List<ComboBoxInterface> list = new ArrayList<ComboBoxInterface>();
		try {
			ResultSet rs = con.createStatement().executeQuery("SELECT * FROM teacher");
			
			while(rs.next())
			{
				list.add(getTeacherFromRS(rs));
			}
			rs.close();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return list;
	}