OO Ruby Object Orientation Video Review

Overview

This is a long video! However, it offers a great review of the OO concepts that you have learned and presents them in a very holistic way.

Objectives

  • Explain how objects are metaphors for real live concepts

  • Explain how everything is an object in Ruby

  • Describe the self keyword in Ruby and how to call methods on objects

  • Call a method using the send method

  • Add attributes to an Object with setter/getter methods and instance variables

  • Distinguish between the different scopes of classes, instances, and global variables

  • Keep track of all our class' instances with class variables and class methods

  • Describe an example of programming an attr_accessor method

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