title: How to check whether given string array returns null?
body: <p>I want to check the condition whether string array gives value or null.</p>
  
  <p>String function:</p>
  
  <pre><code>String rowData[] = (String[]) ArrayUtils.subarray(DataArray, startIndex,
                                           (startIndex + maxColumnCount));
  
  if(rowData not null)
  {
  
  }
  </code></pre>
  
  <p>Value of data array is coming by:</p>
  
  <pre><code>String DataArray[] = request.getParameter("values").split(",");
  </code></pre>
  
  <p>What would be in if Condition?</p>