mirror of
https://github.com/jlengrand/kotlin.git
synced 2026-05-09 15:53:37 +00:00
21 lines
663 B
Kotlin
21 lines
663 B
Kotlin
import java.util.Arrays
|
|
|
|
class MyCollection<T>(val delegate: Collection<T>): Collection<T> by delegate
|
|
|
|
fun box(): String {
|
|
val collection = MyCollection(Arrays.asList(2, 3, 9)) as java.util.Collection<*>
|
|
|
|
val array1 = collection.toArray()
|
|
val array2 = collection.toArray(arrayOfNulls<Int>(3) as Array<Int>)
|
|
|
|
if (array1 !is Array<Any>) return (array1 as Object).getClass().toString()
|
|
if (array2 !is Array<Int>) return (array2 as Object).getClass().toString()
|
|
|
|
val s1 = Arrays.toString(array1)
|
|
val s2 = Arrays.toString(array2)
|
|
|
|
if (s1 != "[2, 3, 9]") return "s1 = $s1"
|
|
if (s2 != "[2, 3, 9]") return "s2 = $s2"
|
|
|
|
return "OK"
|
|
} |