title: NULLs in string array
body: <p>How to remove Null values in string array</p>
  
  <p>Like { ,-2,3,  ,-4,+5,  ,66...} </p>
  
  <p>I need to remove those null values in between and re-size the array</p>
  
  <ol>
  <li><p>I don't want to use lists</p></li>
  <li><p>I don't want to create a new array</p></li>
  </ol>
  
  <p>Please let me know if it is possible with simple code.
  Thank You.</p>