Buka kesenangan di Kotlin

open class MindOrks {
    //use open keyword to allow child class to override it
    open fun courseName(){
        println("Course Name")
    }
}

class AndroidPro : MindOrks(){
    //use the override keyword to override the function
    override fun courseName() {
        println("Android for Professionals")
    }
}
Outstanding Opossum