Back-End Programming Exam  >  Back-End Programming Videos  >  Kotlin Tutorial for Beginners: Learn Kotlin in easy language  >  #8.6 Kotlin Inheritance with Primary and Secondary Constructors

#8.6 Kotlin Inheritance with Primary and Secondary Constructors Video Lecture | Kotlin Tutorial for Beginners: Learn Kotlin in easy language - Back-End Programming

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FAQs on #8.6 Kotlin Inheritance with Primary and Secondary Constructors Video Lecture - Kotlin Tutorial for Beginners: Learn Kotlin in easy language - Back-End Programming

1. What is inheritance in Kotlin programming?
Ans. Inheritance in Kotlin is a mechanism that allows a class to inherit properties and behavior from another class. The class that is being inherited from is called the superclass or base class, while the class that inherits from it is called the subclass or derived class.
2. How does Kotlin support inheritance with primary and secondary constructors?
Ans. Kotlin supports inheritance with primary and secondary constructors by allowing the subclass to call the primary or secondary constructor of the superclass using the "super" keyword. This ensures that the superclass is properly initialized before the subclass is instantiated.
3. Can a subclass have its own primary constructor along with secondary constructors in Kotlin?
Ans. Yes, a subclass in Kotlin can have its own primary constructor along with secondary constructors. However, when defining a primary constructor in the subclass, it must call the primary constructor of the superclass using the "super" keyword.
4. How does Kotlin handle constructor chaining in inheritance?
Ans. Kotlin handles constructor chaining in inheritance by requiring the subclass to call the primary or secondary constructor of the superclass using the "super" keyword. This ensures that the superclass is properly initialized before any additional initialization logic in the subclass is executed.
5. Can a subclass override the primary constructor of the superclass in Kotlin?
Ans. No, a subclass cannot directly override the primary constructor of the superclass in Kotlin. However, the subclass can provide its own secondary constructors and call the primary or secondary constructor of the superclass using the "super" keyword to initialize the inherited properties.
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