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Object???Oriented Programming with Swift 2

You're reading from  Object???Oriented Programming with Swift 2

Product type Book
Published in Jan 2016
Publisher
ISBN-13 9781785885693
Pages 332 pages
Edition 1st Edition
Languages
Author (1):
Gaston C. Hillar Gaston C. Hillar
Profile icon Gaston C. Hillar

Table of Contents (16) Chapters

Object–Oriented Programming with Swift 2
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Objects from the Real World to Playground 2. Structures, Classes, and Instances 3. Encapsulation of Data with Properties 4. Inheritance, Abstraction, and Specialization 5. Contract Programming with Protocols 6. Maximization of Code Reuse with Generic Code 7. Object-Oriented Programming and Functional Programming 8. Extending and Building Object-Oriented Code Exercise Answers Index

Using type properties to create values shared by all the instances of a class


The LionSuperHero class is a blueprint for lions that are superheroes. This class should inherit from the SuperHero class, but we will forget about inheritance and other super types of superheroes for a while and use the LionSuperHero class to understand the difference between type and instance properties.

We will define the following type properties to store the values that are shared by all the members of the lion superhero group:

  • averageStrength: This is the average strength for the superhero group.

  • averageRunningSpeed: This is the average running speed for the superhero group.

  • attackPower: This is the attack power score for the superhero group.

  • defensePower: This is the defense power score for the superhero group.

  • warriorScore: This is the score that combines the previously mentioned values in a single value that determines the warrior score for the superhero group. It is a calculated type property.

The following...

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