How to use object in Kotlin
In Kotlin, object is used when you need a single instance of a class or when defining an anonymous object . Here are the main use cases: 1. Singletons (Object Declarations) Use object when you need a single instance of a class throughout your application. ⚡ Use case: Managing a database connection, network client, or app-wide configuration. 2. Companion Objects Use companion object inside a class to define static-like behavior. ⚡ Use case: Factory methods, constants, or utility functions within a class. 3. Anonymous Objects (Object Expressions) Use object when you need a one-time implementation of an interface or class. ⚡ Use case: Implementing listeners or callbacks without creating a full class. 4. Object Inheritance (Using object with a Superclass) If a singleton needs to extend another class or implement an interface: ⚡ Use case: Creating a global logging instance. Summary Singleton (object) Global database manager, configuration, logging Static-like behavior (companion ...
