Lesson 17 - Type casting and object hierarchy in Kotlin
In the previous lesson, Interfaces in Kotlin, we learned about interfaces and created a
Pterodactyl class in Kotlin. In today's tutorial, we'll continue
working on our interface project. We'll also go over type casting and reveal
more secrets of the object-oriented programming.
Type casting
Let's go back to our previous project and change the code in the
main() function to have our pterodactyl stored in a variable of the
BirdInterface type:
val bird: BirdInterface = Pterodactyl()
We're allowed to do that because the Pterodactyl class
implements
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We'll learn how to cast an instance to another data type using interfaces in Kotlin. We'll create an object hierarchy.
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