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Chapter 9


9.1 Inheritance

Superclasses and Subclasses

The extends keyword

Person Superclass

Vehicle Superclass

High School Student

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Exercise: Computers


Term Definition
Superclass A parent class that contains common attributes and behaviors used by subclasses (children).
Subclass A child class that inherits attributes and behaviors from a superclass (parent).
Is A A relationship between two items that represent a superclass / subclass relationship
Has A A relationship between two items that represents an instance variable relationship.