title: What is the difference between Array and WrappedArray in Scala
body: <p>I'm a bit confused in terms of those 2 collections.</p>
  
  <p>I understand that Scala's Array calls Java API. In such a case, what's the role of a Wrapped Array (and its performance characteritics)?</p>
  
  <p><a href="http://www.scala-lang.org/api/current/scala/collection/mutable/WrappedArray.html" rel="noreferrer">http://www.scala-lang.org/api/current/scala/collection/mutable/WrappedArray.html</a></p>
  
  <p>Thanks! </p>