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Java Wrapping Up

Posted by Paul Yorde
Paul Yorde
10,497 Points

Mixing Design Patterns for better development?

I'm just learning about design patterns, and I'm wondering if it is good programming practice to combine patterns where appropriate?

For example, in the Observer Pattern workshop, the observer pattern is used for the table and any clients that are interested in its changes. The table is an object, so It wouldn't make sense to use an observer pattern.

However, the tablet, used by the workers, is a machine. My question then is whether or not to construct a state-machine pattern for the tablet? Its states and behaviors would be effected by the changes observed by the observable tables' clients?