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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

How to Override a Method

Class Hierarchy Considerations

Calling Override Methods

Square is a Rectangle

Student toString

Restaurant Bills

Check Your Understanding

Exercise: Dogs Bark

9.4 super Keyword

9.5 Creating References Using Inheritance Hierarchies

9.6 Polymorphism

9.7 Object Superclass

10. Recursion

Chapter 9

Inheritance

9.3 Overriding Methods

How to Override a Method

Class Hierarchy Considerations

Calling Override Methods

Square is a Rectangle

Student toString

Restaurant Bills

Check Your Understanding

  1. Incorrect Correct No Answer was selected Invalid Answer

Exercise: Dogs Bark

Vocabulary

Term Definition
Override Override a method occurs when a subclass has the same method signature as a superclass. When a method is overridden, Java uses the method from the subclass.,
@Override Java key term used to denote the user intendeds to override a method.