title: Random shuffling of an array
body: <p>I need to randomly shuffle the following Array:</p>
  
  <pre><code>int[] solutionArray = {1, 2, 3, 4, 5, 6, 6, 5, 4, 3, 2, 1};
  </code></pre>
  
  <p>Is there any function to do that?</p>