What is the difference between a final and a non-sealed class in Java 15's sealed-classes feature?
来源： https://stackoverflow.com/questions/63972130/what-is-the-difference-between-a-final-and-a-non-sealed-class-in-java-15s-seale
sealed-class
Sealed class for Repository to ViewModel comunication
来源： https://stackoverflow.com/questions/60641763/sealed-class-for-repository-to-viewmodel-comunication
sealed class vs enum when using associated type
问题 I'd like to create a color object based on an Int . I can achieve the same result using sealed class and enum and was wondering if one is better than the other. Using sealed class : sealed class SealedColor(val value: Int) { class Red : SealedColor(0) class Green : SealedColor(1) class Blue : SealedColor(2) companion object { val map = hashMapOf( 0 to Red(), 1 to Green(), 2 to Blue() ) } } val sealedColor: SealedColor = SealedColor.map[0]!! when (sealedColor) { is SealedColor.Red -> print(