chapter 9 inheritance - eecs.yorku.ca file1 1 york university – department of computer science...
TRANSCRIPT
![Page 1: Chapter 9 Inheritance - eecs.yorku.ca file1 1 York University – Department of Computer Science Chapter 9 Inheritance I. Scott MacKenzie 2 York University – Department of Computer](https://reader030.vdocuments.us/reader030/viewer/2022040113/5d0d5f0188c993264e8b8e7b/html5/thumbnails/1.jpg)
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York University – Department of Computer Science
Chapter 9Inheritance
I. Scott MacKenzie
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York University – Department of Computer Science
Outline
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What is Inheritance?
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Terminology
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Inheritance UML Diagrams (1)
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Inheritance UML Diagrams (2)
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Inheritance UML Diagrams (3)
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Method Section of API
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Methods in a Child Class
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Child With Three Methods
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RewardCard API
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Inherited Fields
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Fields in a Child Class
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Child With Two Fields
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Fields in RewardCard Class
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Inheritance Chains
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Polymorphism
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instanceof Operator (1)
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instanceof Operator (2)
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instanceof Operator (3)
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Manual Casts
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Manual Cast Gotchas
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Reference Resolution and Binding
341-342
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Early and Late Binding
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Reference Resolution
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Abstract Classes
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Abstract Classes (2)
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Abstract Classes (3)
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Abstract Classes (4)
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Interfaces
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Interfaces (2)
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Disparate Hierarchies
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Object Class
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Object Class Methods
• Class getClass()• boolean equals(Object other)• String toString()• See API
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Thank You