22. Interfaces and Polymorphism

• 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?