title: What do the angle bracketed symbols at the end of a class name mean?
body: <p>For example look at this:</p>
  
  <pre><code>ArrayList&lt;String&gt; arrayList = new ArrayList&lt;String&gt;();
  </code></pre>
  
  <p>Could I use the &lt;>s with a custom class? How do I use them?</p>