title: Inserting white space into an array
body: <p>Say I have an array of random numbers such as: </p>
  
  <pre><code>int [] x = {3,45,17,2,-1,44,9,23,67,2,-6,-23,-100,12,5,1212};
  </code></pre>
  
  <p>How do I insert white space between each integer?</p>