title: Working with NSMutableArray in swift
body: <p>I have a <code>NSMutableArray</code> skippedArray of strings.</p>
  
  <pre><code>skipped Array = ["string1","string2","string3","string4"];
  </code></pre>
  
  <p>I want to assign the string at index 0 to an <code>UILabel</code>.</p>
  
  <p>I tried <code>lblQuestion.text =  skippedArray[j] as! String</code>
  but the app crashes at this line. </p>
  
  <p>Can anyone help?</p>