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Contents
22.
Interfaces and Polymorphism
22.
Interfaces and Polymorphism
ΒΆ
22.1. Introduction
22.1.1. Polymorphism
22.2. Interfaces
22.2.1. Creating an Interface
22.2.1.1. Method Signatures
22.2.1.2. Static Methods
22.2.1.3. Default Methods
22.2.2. Implementing an Interface
22.2.3. Benefits of Using Interfaces
22.2.4. Check Your Understanding
22.3. Interfaces and Abstract Classes
22.3.1. Check Your Understanding
22.4. Interfaces In The Wild
22.4.1. IComparer<T>
22.4.2. IEnumerable<T>
22.4.3. IList<T>
22.4.4. IDictionary<TKey, TValue>
22.4.5. Check Your Understanding
22.5. Unit Testing and Interfaces
22.5.1. Check Your Understanding
22.6. Exercises: Interfaces and Polymorphism
22.6.1. Getting Started
22.6.2. Sorting Flavors by Name
22.6.2.1. Create a Sorting Class
22.6.2.2. Sorting the
Flavors
List
22.6.3. Sorting Cones by Cost
22.6.4. Bonus Mission
22.6.5. Next Steps
22.7. Studio: Spinning the Discs
22.7.1. Getting Ready
22.7.2. Disc Project Overview
22.7.3. Consider Generic Behaviors
22.7.4. Consider Class-Specific Behavior and Data
22.7.5. Code the Interface
22.7.6. Code the Abstract Class
22.7.7. Complete the Disc Classes
22.7.8. Add Method Calls to
Main
22.7.9. Bonus Missions: Other Discs & Disks?
←
21.9.
Studio: Fun with Quizzes
22.1.
Introduction
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