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Yes, today we are going to study, Command Design Pattern is ok, so the first question comes that what is the need for it? If you get such a scenario to read, it means that we have to give a command and we do not know how it gets executed, it just gets executed. Well, irrespective of that, how will she be an executive? We have to create such a system that we have to give a command and that work gets done, it is okay that I gave a command to someone, my assistant and the assistant did that work. Okay, I should not be concerned with that thing, how did that assistant get that work done? Okay, if you donamp;#39;t see such a scenario happening, then you can apply the command pattern there. Okay. Letamp;#39;s take an example, we are of a restaurant. Look, there is a guy sitting here, he is a customer, okay. Customer He has come here to his restaurant and says that it is okay for me to eat a burger, then this guy says that look at me, eating a cheese burger and eating a massage is okay for