Consider the following:

void test(String[] array) {
  def clone = array.clone()
}

The inferred type of "clone" is java.lang.Object when java.lang.String[] is expected. https://docs.oracle.com/javase/specs/jls/se7/html/jls-10.html#jls-10.7