Multiple distinct objects: Difference between revisions
Added Kotlin
(Added Kotlin) |
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Array("object"; 4)</lang>
=={{header|Kotlin}}==
<lang scala>// version 1.1.1
class Foo {
val id: Int
init {
id = ++numCreated // creates a distict id for each object
}
companion object {
private var numCreated = 0
}
}
fun main(args: Array<String>) {
val n = 3 // say
/* correct approach - creates references to distinct objects */
val fooList = List(n) { Foo() }
for (foo in fooList) println(foo.id)
/* incorrect approach - creates references to same object */
val f = Foo()
val fooList2 = List(n) { f }
for (foo in fooList2) println(foo.id)
}</lang>
{{out}}
<pre>
1
2
3
4
4
4
</pre>
=={{header|Logtalk}}==
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