AndroidHire Field Guide · Volume 03

Kotlin Design Patterns

Classic and modern patterns implemented in Kotlin.

18 chapters2 free to read∞ revisit anytime

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01Build mental models

Understand why the patterns work, not just what to memorize.

02Connect to interviews

Turn technical depth into crisp, structured explanations.

03Apply with confidence

Use practical tradeoffs and examples when follow-ups get harder.

Inside the guide

Your chapter roadmap

Start with the free foundation, then follow the guide from fundamentals to interview-level judgment.

  1. 01Chapter 1: Design Patterns & Kotlin EssentialsAvailable now · free account requiredRead free
  2. 02Chapter 2: Singleton PatternAvailable now · free account requiredRead free
  3. 03Chapter 3: Factory PatternIncluded with any paid planSubscriber
  4. 04Chapter 4: Builder PatternIncluded with any paid planSubscriber
  5. 05Chapter 5: Prototype PatternIncluded with any paid planSubscriber
  6. 06Chapter 6: Adapter PatternIncluded with any paid planSubscriber
  7. 07Chapter 7: Facade PatternIncluded with any paid planSubscriber
  8. 08Chapter 8: Decorator PatternIncluded with any paid planSubscriber
  9. 09Chapter 9: Proxy PatternIncluded with any paid planSubscriber
  10. 10Chapter 10: Observer PatternIncluded with any paid planSubscriber
  11. 11Chapter 11: Strategy PatternIncluded with any paid planSubscriber
  12. 12Chapter 12: Command PatternIncluded with any paid planSubscriber
  13. 13Chapter 13: State PatternIncluded with any paid planSubscriber
  14. 14Chapter 14: Template Method PatternIncluded with any paid planSubscriber
  15. 15Chapter 15: Chain of Responsibility PatternIncluded with any paid planSubscriber
  16. 16Chapter 16: Memento PatternIncluded with any paid planSubscriber
  17. 17Chapter 17: Patterns in Modern Android ArchitectureIncluded with any paid planSubscriber
  18. 18Chapter 18: Interview Cheat Sheet & Practice ProblemsIncluded with any paid planSubscriber