Common Design Pattern:IDentify classes

<Camera>

<name>Canon-Sure-Shot-Z155</name>

<f-stopɰ.8-11.7</f-stop>

<focal-lengthᡝ-155mm zoom</focal-length>

<cost>$318 USD</cost>

</Camera>

Instead of this:

<Camera ID="Canon-Sure-Shot-Z155">

<f-stopɰ.8-11.7</f-stop>

<focal-lengthᡝ-155mm zoom</focal-length>

<cost>$318 USD</cost>

</Camera>

Design like this:

Previous slide

Next slide

Back to first slide

View graphic version