Wal's Fish Tank

Douglas Wall (Talk | contribs)
(A duplication of Wal's 324 lecture example.)
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Wal's Fish Tank

This content is duplicated from Wal's cosc324 lecture material of 2008. It has been reproduced with the permission of Lord Wal (One pattern to rule them all and in the design philosophy bind them).

Simulated fish tank

• Lots of different kinds of fish
• Only ever one tank
• Multiple views possible
• Schools of fish
• Remoras and barnacles
• Fish spawn new fish

Singleton

Only ever one tank

Observer

Multiple views possible

Composite

Schools of fish

Decorator

Remoras and barnacles

Factory Method

Fish spawn new fish

The Result