Kotlin Essential Training

Chapter 7 - Section 2

	fun main(args: Array<String>) {

		val buster = Retriever()
	//    buster.speak()
		makeItTalk(buster)
		reportBreed("Buster", buster)
	}

	fun makeItTalk(dog: Retriever) {
		dog.speak()
	}

	fun reportBreed(name: String, dog: Dog) {
		println("$name is a ${dog::class.simpleName}")
		println("This dog's fur is ${dog.fur}")
	}

	interface Dog {
		var fur: String
		fun speak() {
			println("Woof!")
		}
	}

	interface Cat{
		var fur: String
		fun speak() {
			println("Meow!")
		}
	}

	class Retriever : Dog, Cat {
		override var fur: String
			get() = "golden"
			set(value) {}

		override fun speak() {
			super<Dog>.speak()
			super<Cat>.speak()
		}
	}