Tasteful Design Patterns Adopting Kotlin Concepts

In this chapter, we will cover the following recipes:

• Implementing the Strategy pattern
• Exploring the power of the Delegation pattern
• Implementing delegated class properties
• Tracking state with the Observer pattern
• Restricting property updates with the Vetoable delegate
• Implementing the advanced Observer pattern by defining a custom property delegate
• Working with the Lazy delegate
• Implementing builders the smart way