Command Pattern in Java | Command Design Pattern example | Java9s.com

Command Pattern helps in simplifying the applications which has a lot of controls to handle.
The important thing is to have an interface so that we can implement as many commandExecutors as we need and all the list of commands are present with the command Executors and finally the command receiver which is actually the one that takes the action.
So, command pattern is applied where the applications has many controls to handle.
It simplifies and encapsulates the receivers which act.
We can add as many command controllers as we need
Example Code:

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References:

[michaelbrooks]

Quick question if I may? I've added text to the Engine Class, and I'm trying to receive a message back from it to give to the Cockpit, but there's no communication there between them. What would you recommend? Adding a private variable and creating getters and sitters?

[rajathbhat]

can u please send me the class diagram, uml diagram, state diagram, usecase and activity diagram for this example.

[michaelbrooks]

Excellent Example, and thanks for the code!

[roxanarodriguez]

Hello, good nights I loved the explanation of your video, not has the diagram of classes of that code, is it appreciate