Computer scienceFundamentalsEssentialsSoftware constructionIntroduction to Design Principles and SOLID

Dependency injection

Who depends on who?

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You are working on a game. The game's development has been in progress for some time and you are studying its code. While scrolling down, you stumble across two classes: Car and Engine. The relation between these classes can be depicted in this pseudocode:

class Engine is
  method start()

class Car is
  Engine engine = new Engine()
  
  method start() is
    engine.start()

Which class is dependent on the other class?

Select one option from the list

There is no dependency here

Class Car is dependent on method start()

Class Engine is dependent on class Car

Class Car is dependent on class Engine

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