Some Array VS Object[]

Context.java

package t;

public class Context {
  public Message getMessage() {
    return new Message();  
  }
}

Message.java

package t;

public class Message {
  public Object[] getData() {
    return new String[] { "a", "b" };
  }
}

Test.scala

package t

object Test extends App {
  val context = new Context
  val params: Array[AnyRef] = context.getMessage().getData()
  val params1: Array[AnyRef] = context.getMessage().getData().asInstanceOf[Array[AnyRef]]
  params foreach println
  params1 foreach println

  val params2 = context.getMessage().getData()
  params2 foreach println
  println(params2.getClass())
}