title: Split a char array into thirds
body: <p>I need to split an array into thirds, and the only effective way I can think of is using the copyOfRange method. Is there a way for me to return all three arrays because I can't seem to do so? If not, what is the best way to divide one array three ways?</p>
  <pre class="lang-java prettyprint-override"><code>public char[] board(char[] a) {
      char[] b = Arrays.copyOfRange(a, 0, a.length / 3);
      char[] c = Arrays.copyOfRange(a, a.length / 3, a.length - 3);
      char[] d = Arrays.copyOfRange(a, a.length - 3, a.length);
  
      return null;
  }
  </code></pre>