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Command Vs Facade Design pattern
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Pankaj Kumarkk
Ranch Hand
Joined: Apr 17, 2011
Posts: 108
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Hi,
I would like to know the difference between command and facade design pattern.
Both design pattern essentially hides the sub-system complexity and provides a easy to use interface to the client.
I am confused how to differentiate.
I know the theoretical difference between command and facade design pattern(as per their definitions). I would like to understand it from a practical perspective so that I can apply it when there is a need.
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Wouter Oet
Saloon Keeper
Joined: Oct 25, 2008
Posts: 2700
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They are very different.
Facade is used to hide internal structure and provided a simplified interface.
The command pattern is used to encapsulate actions which allow you to program undoable actions, task queue's etc..
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"Any fool can write code that a computer can understand. Good programmers write code that humans can understand." --- Martin Fowler
Please correct my English.
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subject: Command Vs Facade Design pattern
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