The SCTMS needs seamless integration with current urban systems, robust security for data protection,

and adaptability for future upgrades. With these requirements in mind, address the following.

$2\mathrm{.}1$ Explain how inheritance can be used to build modules for different vehicle types $($e$.$g$.,$ public

transport, private vehicles, emergency services$)$ to streamline data exchange within SCTMS$.$

$(5$ Marks$)$