A

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Q. What is 'sealed class' in Kotlin used for?

  • (A) Creating open classes
  • (B) Restricting class hierarchy
  • (C) Defining multiple interfaces
  • (D) Defining database models
  • Correct Answer - Option(B)
  • Views: 3
  • Filed under category Kotlin
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Explanation by: Admin
Sealed classes are used to restrict class hierarchies and are useful in when expressions.

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