Frogs design

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An OO model of frogs. This beautiful design appeared in the 2004 427 exam.

media:frogs.gif

Design notes

  • This design models the lifecycles of Frogs.
  • A Frog begins life as an Egg, grows into a Tadpole and then an AdultFrog.
  • A FrogBrain belongs to a Frog and manages its behaviour.
  • There is one Biologist, Igor, who sometimes moves Frogs around. Igor has been known to fry their legs in white wine.
  • Toads don’t have the same lifecycle as Frogs, but they look and act a lot like Frogs.
  • Toads eat AdultFrogs.

Design Critique

This design is perfect. It cannot be faulted.

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