internal 模块内可见
成员默认是public
class House
class Flower
class Countyard{
private val house: House = House()
private val flower: Flower = Flower()
}
class ForbiddenCity{
internal val houses = arrayOf(House(), House())
val flowers = arrayOf(Flower(), Flower())
}
fun main(args: Array<String>) {
val countyard = Countyard()
val fc = ForbiddenCity()
println(fc.flowers)
}
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