fun main(args : Array<String>){ println("Hello World!") } class Cat(val name: String, val furColor: string, val weight: Double, val age: Integer, val numberOfFeet: Integer, val usCarnivore: Boolean ){ fun eat(){ println("$name sedang makan !") } fun sleep(){ println("$name sedang tidur !") } fun playWithHuman(){ println("$name bermain dengan manusia!") } }