calling java method one after each other with "dots" in between
<p>I see the following code syntax. Calling  </p>

<pre><code>ConfigurationBuilder cb = new ConfigurationBuilder();

cb.setDebugEnabled(true)
  .setOAuthConsumerKey("x11")
  .setOAuthConsumerSecret("x33")
  .setOAuthAccessToken("x55")
  .setOAuthAccessTokenSecret("x66");
</code></pre>

<p>All the methods after each other without using the object instance.
How does this work in programming my own class when i want to use this kind of calling methods?</p>
