title: Checking several string for null in an if statement
body: <p>Is there a better (nicer) way to write this if statement?</p>
  
  <pre><code>if(string1 == null &amp;&amp; string2 == null &amp;&amp; string3 == null &amp;&amp; string4 == null &amp;&amp; string5 == null &amp;&amp; string6 == null){...}
  </code></pre>