Computer scienceFundamentalsEssentialsSoftware constructionIntroduction to Design Principles and SOLID

Open/Closed Principle

Connection

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We have two classes; MOBILE_TELEPHONE and WIRELESS_EARPHONE , and now we need to learn to connect any two objects of these classes without changing the class methods. What may be the possible solution?

Select one option from the list

a WIRE_EARPHONE class creation

changing PLUG_IN method for wire devices

a CONNECT button

a connection Interface with a corresponding method

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