Loading java arrays as Array<out T> at method return type position, as well.

libraries/stdlib/src/kotlin/StringsJVM.kt

@@ -34,9 +34,9 @@ public inline fun String.toCharList(): List<Char> = toCharArray().toList()
 
 public inline fun String.format(format : String, vararg args : Any?) : String = java.lang.String.format(format, args)
 
-public inline fun String.split(regex : String) : Array<String> = (this as java.lang.String).split(regex) as Array<String>
+public inline fun String.split(regex : String) : Array<out String> = (this as java.lang.String).split(regex)
 
-public inline fun String.split(ch : Char) : Array<String> = (this as java.lang.String).split(java.util.regex.Pattern.quote(ch.toString())) as Array<String>
+public inline fun String.split(ch : Char) : Array<out String> = (this as java.lang.String).split(java.util.regex.Pattern.quote(ch.toString()))
 
 public inline fun String.substring(beginIndex : Int) : String = (this as java.lang.String).substring(beginIndex)
 
@@ -78,7 +78,7 @@ public inline fun String.replaceFirst(regex : String, replacement : String) : St
 
 public inline fun String.charAt(index : Int) : Char = (this as java.lang.String).charAt(index)
 
-public inline fun String.split(regex : String, limit : Int) : Array<String> = (this as java.lang.String).split(regex, limit)
+public inline fun String.split(regex : String, limit : Int) : Array<out String> = (this as java.lang.String).split(regex, limit)
 
 public inline fun String.codePointAt(index : Int) : Int = (this as java.lang.String).codePointAt(index)
 

libraries/stdlib/src/kotlin/io/Files.kt

@@ -206,7 +206,7 @@ fun File.readLines(charset : String = "UTF-8") : List<String> {
 /**
  * Returns an array of files and directories in the directory that satisfy the specified filter.
  */
-fun File.listFiles(filter : (file : File) -> Boolean) : Array<File>? = listFiles(
+fun File.listFiles(filter : (file : File) -> Boolean) : Array<out File>? = listFiles(
     object : FileFilter {
         override fun accept(file: File) = filter(file)
     }