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Video Review: Music Library CLI

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Video Review: Music Library CLI

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Overview

This video lesson uses a review of the Music Libray CLI lab as the basis for a comprehensive look at Object Oriented Ruby. Please do the lab before watching this video to get the most out of it.

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Objectives

  • Create classes and add class methods for persisting and tracking instances

  • Define find_by_name class method to find instance with a specific name

  • Abstract methods to a module to avoid repetitive code

  • Separate class and instance methods into separate namespaced modules

  • Use getter methods to expose class variables

  • Use extended hook to extend class variables from modules

  • Define a module with the create_by_name method to create a new instance of a class

  • Add setter methods to associate objects to each other

  • Define and map out our associations

  • Explain builder mixin and module patterns

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