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Last active Jan 12, 2021
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class FavoriteAuthor(_name: String, _lastname: String, _age: Int) {
var name = _name
var lastname = _lastname
var age: Int? = _age
get() {
return if (field!! > 0) field else null
val favoriteauthor = FavoriteAuthor("Franz","Kafka",-1)
println("Favorite Author: ${} ${favoriteauthor.lastname} ${favoriteauthor.age}")
// Favorite Author: Franz Kafka null
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