deprecate in JavaRDDLike

Author: CodingCat

core/src/main/scala/org/apache/spark/api/java/JavaRDDLike.scala

@@ -284,6 +284,7 @@ trait JavaRDDLike[T, This <: JavaRDDLike[T, This]] extends Serializable {
   /**
    * Return an array that contains all of the elements in this RDD.
    */
+  @deprecated("use collect", "1.0.0")
   def toArray(): JList[T] = collect()
 
   /**