Secondary Constructor

class Animal(name: String, weight: Double, age: Int) {

val name: String

val weight: Double

val age: Int

var isMammal: Boolean

init {

this.weight = if(weight < 0) 0.1 else weight

this.age = if(age < 0) 0 else age

this.name = name

this.isMammal = false

}

constructor(name: String, weight: Double, age: Int, isMammal: Boolean) : this(name, weight, age) {

this.isMammal = isMammal

}

}

fun main(args : Array<String>){

val dicodingCat = Animal("Dicoding Miau", 2.5, 2, true)

println("Nama: ${dicodingCat.name}, Berat: ${dicodingCat.weight}, Umur: ${dicodingCat.age}, mamalia: ${dicodingCat.isMammal}")

val dicodingBird = Animal("Dicoding tweet", 0.5, 1)

println("Nama: ${dicodingBird.name}, Berat: ${dicodingBird.weight}, Umur: ${dicodingBird.age}, mamalia: ${dicodingBird.isMammal}")

}