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Kotlin Companion Object
Devrath edited this page Aug 24, 2022
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- Companion object is similar to object and the member variables and the member functions of it can be accessed in the class where it is contained.
- Companion object doesn't have a name, If a name is given to it then the caller class has to access it via its name.
- Any caller can access the member variables and their functions of it without creating the instance of the outer class.
- This pattern is useful when we want to expose some static behavior to the outside world where the creation of an instance is not needed.
Class SomeClass {
Companion Object {
private var count : Int = 0
fun appendCount(){
count++
}
}
}