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AP Computer Science A Textbook

1. Primitive Types

2. Using Objects

3. Boolean Expressions and if Statements

4. Iteration

5. Writing Classes

6. Arrays

7. ArrayLists

8. 2D Arrays

9. Inheritance

9.1 Inheritance

9.2 Writing Constructors for Subclasses

9.3 Overriding Methods

9.4 super Keyword

9.5 Creating References Using Inheritance Hierarchies

9.6 Polymorphism

Polymorphism in Action

Modified Student Class

Using Person Methods

Vehicle Methods

Check Your Understanding

Exercise: Fun with Solids

9.7 Object Superclass

10. Recursion

Chapter 9

Inheritance

9.6 Polymorphism

Polymorphism in Action

Modified Student Class

Using Person Methods

Vehicle Methods

Check Your Understanding

  1. Incorrect Correct No Answer was selected Invalid Answer

Exercise: Fun with Solids

Vocabulary

Term Definition
Polymorphism An object can take on different forms depending on its implementation. Java can call the correct method even when an object is disguised as a more generic reference type