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ruwanka/KotlinNullableTypes.kt

Created March 11, 2018 14:05
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Kotlin nullable types
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KotlinNullableTypes.kt
class Address(var street: String?, var City: String)
class User(var name: String, var address: Address?)
fun main(args: Array<String>) {
var address = Address(null, "Colombo")
var user = User("Dharmapala", address)
println(user.address?.street?.toUpperCase())
}
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