title: Can an unrefrenced objects be refrenced again?
body: <p>As subject says: Can an unrefrenced objects be refrenced again?</p>
  
  <p>I came across this question at <a href="http://www.javatpoint.com/corejava-interview-questions-4" rel="nofollow">http://www.javatpoint.com/corejava-interview-questions-4</a> Q120. I tried Googling for this but did not find any link. How do we actually do it?</p>