The most common use of ____ in OOP occurs when a parent class reference is used to refer to a child class object.

The most common use of ____ in OOP occurs when a parent class reference is used to refer to a child class object.

  1. a) Polymorphism
  2. b) Inheritance
  3. c) Encapsulation
  4. d) Method overriding

From the Combined Bank Senior Officer 2020 – Preliminary exam, question 30 of 43.

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